Facet Nation: A Gemmology Podcast

Send us Fan MailIn this episode, Lucinda and Simon explore the fascinating world of gemstone cutting and fashioning, covering essential terminology, techniques, and historical insights crucial for gemologists and enthusiasts alike. key  topicsGemstone cutting terminologyDifferences between lapidary and diamond manufacturingFactors influencing gemstone cut decisionsHistorical gem cutting techniques and innovationsPractical tips for evaluating rough stonesGem Cutting VocabularyDiamond Manufacturing ProcessGemstone Cut OptimizationReview gemstone terminology regularlyPractice evaluating rough stones before cuttingExplore historical gem cutting techniquesTitlesMastering Gemstone Cutting: Techniques, History, and Industry InsightsThe Art and Science of Gem Cutting: A Comprehensive Guide sound bites"The old mine cut has a rich history.""Inlays and carvings add artistic value.""A break in gem cutting is coming soon."Chapters00:00 Introduction to Gemmology and Cutting Gemstones03:01 The Importance of Understanding Gemstone Cuts05:43 Insights from Gem Cutting Experts08:26 The Process of Fashioning Gemstones11:09 Types of Gemstone Fashioning13:58 Evaluating Rough Gemstones16:37 Key Factors in Gemstone Cutting19:13 Understanding Diamond Manufacture21:58 Historical Perspectives on Gem Cutting24:42 Modern Trends in Gem Cutting27:24 Conclusion and Future of Gem Cutting29:12 Understanding Diamond Cuts and Their History32:29 The Anatomy of a Diamond: Key Features34:51 Exploring Brilliant Cut Stones36:42 Step Cuts vs. Brilliant Cuts: A Comparison38:04 The Evolution of Rose Cuts and Mixed Cuts40:32 Fantasy Cuts: The Art of Gemstone Cutting41:35 Cabochons: The Gateway to Gem Cutting44:25 Beads, Cameos, and Intaglios: Decorative Techniques46:10 Carvings, Inlays, and Mosaics: Artistic ExpressionsThe V&A Museum Gem Collection - https://www.vam.ac.uk/collections/gemsUK Facet Cutters Guild - https://ukfcg.org/ guest linksInstagram - https://instagram.com/facetnationgemmologyEmail - mailto:[email protected], gemstone cutting, gem fashioning, gemmology exam, gem cutter, gemstone shapes, diamond manufacturing, gemmology history, gemstone grading, jewellery industrySupport the show

Send us Fan MailJoin Lucinda, Simon, and Michelle Mai as they explore the art and science of precision gem cutting. Discover techniques, tools, design principles, and the inspiring journey of a master gem cutter in this engaging episode.Precision gem cutting techniquesTools and machinery for facetingDesign principles for gemstonesMaterials used in gem cuttingThe journey of a gem cutterGuest  nameMichelle MaiTitlesMastering Precision Gem Cutting: Techniques and InspirationThe Art and Science of Gem Faceting with Michelle Mai sound bites"Equipment is a huge barrier to entry""Polishing quartz is challenging for me""Start with cabochons to learn the basics"Chapters00:00 Introduction to Precision Gem Cutting08:09 Michelle's Journey into Gem Cutting10:53 Understanding Gem Cutting Machinery13:09 The Learning Curve in Gem Cutting15:57 Design Principles in Gem Cutting18:57 Challenges with Different Gem Materials21:36 Creating Unique Gem Designs24:36 The Role of Light in Gem Performance27:00 Inspiration Behind Michelle's Designs29:59 Favorite Designs and Techniques32:31 Conclusion and Future Aspirations35:41 Exploring Favourite Materials in Gem Cutting37:53 Natural vs. Synthetic Gemstones: A Balanced Perspective39:48 Navigating Risk and Responsibility in Gem Cutting44:08 Advice for Aspiring Gem Cutters51:04 Encouragement for Beginners in Lapidary Arts resourcesAmateur Gemstone Faceting Volume One by Tom Herbst - https://www.amazon.com/dp/B07V4V7V4XUK Facet Cutters Guild - https://www.ukfcg.org/Gem Cut Studio - https://gemcutstudio.com/Reddit r/shinypreciousgems - https://www.reddit.com/r/shinypreciousgems/ guest linksReddit - https://www.reddit.com/user/MichelleMaiInstagram - https://www.instagram.com/michellemai/gem cutting, gemmology, precision faceting, gemstone design, gem tools, gemstone materials, gem industry, gem educationSupport the show

Send us Fan MailIn this episode of FacetNation, Simon and Lucinda delve into the fascinating world of tourmaline, particularly focusing on its significance in San Diego's gemstone history and the impact of the Dowager Empress Cixi on the pink tourmaline market. They explore the rise and fall of the tourmaline industry, the unique characteristics of the stone, and the methods used to identify it. The conversation is rich with historical anecdotes and insights into the gemmology field, making it an engaging listen for enthusiasts and newcomers alike. Also in this episode, Lucinda and Simon delve into the fascinating world of tourmaline, exploring its color variations, treatments, and the rise of Paraiba tourmaline as a highly sought-after gemstone. They discuss the geological origins of Paraiba tourmaline, its global appeal, and highlight famous examples, including the Ethereal Carolina Divine Paraiba. The episode concludes with a look at the stunning Liddicoat tourmaline slice, showcasing the beauty and complexity of this remarkable gemstone.Tourmaline is a significant gemstone with various types.San Diego has a rich history of gemstone mining.The Dowager Empress Cixi played a crucial role in popularising pink tourmaline.Zixi's love for pink tourmaline influenced the gemstone market.The decline of the tourmaline market followed Cixi's death.Testing tourmaline requires specific techniques due to its colour variations.Tourmaline can be mistaken for other gemstones.Historical context enhances the value of gemstones.Gemstones often have fascinating stories behind them.Understanding gemstone history can enrich appreciation for them. Some stones show two completely different colours.Watermelon tourmalines need both pleochroic responses listed.Tourmaline can be treated to enhance colour.Paraiba tourmaline is the most valuable type.The discovery of Paraiba tourmaline changed the market.Paraiba tourmaline's price skyrocketed due to rarity.Geological events created the conditions for tourmaline formation.Nigerian and Mozambican tourmalines are similar to Brazilian Paraiba.Famous tourmalines often have historical significance.The Liddicoat tourmaline slice is a stunning example of tourmaline beauty.The Allure of Tourmaline: A Gemstone JourneyUnveiling San Diego's Gemstone SecretsThe Legacy of the Dowager Empress CixiTourmaline: From Mine to Market"She banned foot binding.""It's a serious bottleneck.""It's called Heitorita.""It looks like stained glass."Chapters00:00 Introduction to Tourmaline Part Two02:30 Exploring San Diego's Gemstone History05:57 The Dowager Empress Cixi and Pink Tourmaline17:20 The Decline of the Tourmaline Market18:22 Testing Tourmaline: Identification Techniques22:01 Understanding Tourmaline's Colour Variations25:01 The Treatment and Enhancement of Tourmaline26:17 The Discovery of Paraiba Tourmaline30:39 The Rise of Paraiba Tourmaline's Value34:00 Geological Origins of Paraiba Tourmaline38:25 The Global Appeal of Paraiba Tourmaline39:05 Famous Paraiba Tourmalines and Their Significance42:30 The Liddicoat Tourmaline Slice and Its Beautytourmaline, gemstones, San Diego, Dowager Empress Cixi, gemmology, pink tourmaline, gemstone testing, history, gem market, California tourmaline, Paraiba tourmaline, gemstone treatment, colour variations, gemmology, gemstone value, geological origins, famous gemstones, Liddicoat tourmalineSupport the show

Send us Fan MailExplore the fascinating science of gemstone colour, focusing on charge transfer mechanisms, the role of ions, and how treatments like heat affect gemstone hues. Perfect for gemmology enthusiasts and professionals alike. key topicsCharge transfer in gemstonesColour centres and defectsEffects of heat treatment on gemstone colourTitlesThe Science Behind Gemstone Colours: Charge Transfer ExplainedUnlocking the Secrets of Sapphire and Diamond Colours sound bites"Blue sapphire's colour is a football match of ions.""Charge transfer mechanisms reveal gemstone secrets."Chapters00:00 Introduction to Colour in Gemmology02:53 Understanding Charge Transfer in Gemstones05:35 Oxygen to Metal Charge Transfer08:28 Metal to Metal Charge Transfer: The Sapphire Story10:58 Organic Molecular Electron Transition16:22 Colour Centres in Diamonds22:39 The Science of Synthetic Diamonds25:27 Understanding Green Diamonds27:44 The Mystery of Pink Diamonds30:48 Exploring Colour Centers in Diamonds35:28 The Future of Gemmology and PodcastingresourcesGem-A Gemmology Course - https://gem-a.com/educationInstagram - https://instagram.com/facetnationgemmologyEmail - mailto:[email protected], gemstone colour, charge transfer, sapphire, diamond, heat treatment, colour centres, spectroscopy, mineralogySupport the show

Send us Fan MailJoin us as we explore the fascinating world of tourmaline, its formation, varieties, and historical significance, with insights from gemmologists Lucinda and Simon.Tourmaline's chemical complexity and isomorphous seriesFormation of tourmaline in pegmatites and metamorphic rocksVarieties of tourmaline and their unique featuresHistorical lore and the myth of pyroelectricityTesting and identifying tourmaline in gemmologySimon and LucindaTitlesThe Hidden World of Tourmaline: From Conquistadors to Colourful CrystalsUnlocking the Secrets of Tourmaline: Varieties, Formation, and Lore sound bites"Paraiba tourmalines glow like neon blue.""Rubellite is the most popular tourmaline.""Rubellite is a deep, moody red."Chapters00:00 Introduction to Facet nation and Personal Updates04:26 Shout Outs and Community Engagement08:38 Exploring Tourmaline: A Gemstone Overview12:59 The Chemistry and Characteristics of Tourmaline17:28 Historical Significance and Unique Properties of Tourmaline20:26 The Science Behind Tourmaline24:17 Formation of Tourmaline29:24 Varieties of Tourmaline36:40 Favourite Tourmalines and Their Unique QualitiesInstagram - https://instagram.com/facetnationgemmologytourmaline, gemstones, gemmology, mineral formation, jewellery, gem varieties, gemstone history, gem testing, gem inclusionsSupport the show

Send us Fan MailThis episode explores the science behind gemstone colours, focusing on dispersed metal ions, valency states, atomic environments, and their effects on colour and luminescence. Hosted by Lucinda and Simon, it combines scientific insights with personal reflections and industry tips.Dispersed metal ions and their role in gemstone colourValency states of transition metals and their effectsAtomic environment and its influence on gemstone hueLuminescence and fluorescence in gemstonesEnergy transfer and electron excitation in gemologyEnergy transfer in electronsValency and atomic environment influence on colourColour change effect in gemstonesReview the valency states of transition metals in your gemstone collectionUse a spectroscope to observe absorption bands and fluorescenceExperiment with heating and irradiation to alter gemstone colorsThe Science of Gemstone Color: Dispersed Metal Ions and Atomic EnvironmentsUnlocking Gem Colors: Valency, Atomic Environment, and Light"Light as packets of energy excite electrons.""Atomic arrangement affects gemstone colour.""Chromium electrons jump, causing fluorescence."Chapters00:00 Introduction to Colour in Gemmology02:50 Philosophical Reflections on Energy and Colour05:31 Understanding Ions and Their Role in Colour08:03 The Impact of Valency State on Gemstone Colour10:47 Atomic Environment and Colour Variations13:30 The Role of Chromium in Colour Change16:16 Luminescence and Its Connection to Colour18:56 Fluorescence and Crystal Defects21:25 Conclusion and Future TopicsresourcesGem-A (Gemological Association of Great Britain) - https://gem-a.comSpectroscope and Light Source Information - https://www.gemologyonline.comSimon and Lucinda's Instagram - https://www.instagram.com/facetnationgemmology/gemmology, gemstone colour, dispersed metal ions, valency, atomic environment, luminescence, gemstone spectroscopy, Alexandrite, ruby, emeraldSupport the show

Send us Fan MailThis week we are joined by Ian Dun, president of the Gemological Association of Australia. Discover insights into gemstone grading, Australian gemstones, and the future of gemological research. Of Particular interest is GAA's, world first, Opal Studies Course. Come and listen to find out all you need to know.key  topicsGemological education and certification in AustraliaAustralian gemstones: Opal, Sapphire, and moreAdvances in gemstone grading and identificationguest  nameIan DunTitlesUnlocking the Secrets of Gemmology with Ian DunAustralian Gemstones: A Deep Dive into Opal and Moresound bites"Welcome to Facet Nation, a gemmology podcast.""Opal is misunderstood and polarizing.""Australian opal is my favourite gemstone."Chapters00:00 Introduction to Facet Nation and Ian Dun01:52 Ian Dun's Gem Story and Career Path08:49 The Gemological Association of Australia: History and Courses12:55 Diploma of Diamond Technology and Practical Grading21:42 The Online Opal Course: Development and Purpose23:39 The Journey of Opal: From Mine to Market27:36 Understanding the Opal Course: Structure and Feedback29:21 The Allure of Opal: Personal Perspectives34:19 Opal's Renaissance: Trends and Design Innovations38:19 Research and Future of Opal Studies40:39 Exploring Other Australian Gemstones52:32 The Future of Gemmology: Education and Career PathsResourcesGemological Association of Australia - https://www.gem.org.au/Opal Course - https://www.gem.org.au/courses/opal-studies/CIBJO Opal Guide - https://www.cibjo.org/keywordsgemmology, gemstones, Australian gemstones, gemstone grading, gemmological education, opal, diamond, jewellery design, opal study, educationSupport the show

Send us Fan MailExplore the fascinating world of physical optics in gemstones, focusing on iridescence, thin film interference, and the science behind colour phenomena like labradorescence and opalescence. Perfect for budding gemologists and enthusiasts alike.key  topicsPhysical optics in gemstonesIridescence and wave interferenceThin film interference in gem materialsUnveiling Gemstone Colours: The Science of Iridescence and MoreThe Hidden Physics of Gemstone Beauty: A Deep Divesound bites"Iridescence is caused by wave interference.""Labradorescence is due to the chemistry of feldspar.""Pearlescence results from stacked layers of aragonite."Chapters00:00 Introduction to Physical Optics02:09 Understanding Iridescence11:00 Exploring Twin Planes and Their Effects14:11 The Fascination of Labradorescence and Adularescence20:03 The Nature of Light and Colour21:06 Exploring Rainbow Moonstone22:28 The Allure of Pearls25:06 Understanding Iridescence in Pearls28:27 The Mystique of Opals36:52 Reflections on Quality and Value in Gemstones resourcesFacet Nation Podcast - https://youtube.com/@facetnationuk guest linksInstagram - https://instagram.com/facetnationgemmologyTikTok - https://tiktok.com/@facet.nation.podEmail - mailto:[email protected], physical optics, iridescence, labradorescence, opalescence, gemstone science, thin film interference, gemstone phenomenaSupport the show

Send us Fan MailThis episode explores the fascinating world of coral, its history, types, and significance in gemmology. Hosted by Simon and Lucinda, it covers everything from the biological origins of coral to its cultural importance and modern regulations. sound bites"Polyps are tiny creatures related to sea anemones.""Coral structures are like a living family tree.""Black and gold coral are rare and often bleached." key topicsDefinition of organic materialsHistory of coral harvesting and tradeTypes of coral: precious, soft, fossilised, black and goldIdentification and authenticity of coral in jewelryRegulations and sustainability in coral tradeChapters00:00 Introduction to Coral and Organic Materials02:53 The Importance of Organic Materials05:14 Coral Fishing in History07:57 Understanding Coral Polyps10:32 The Journey of Coral Harvesting13:03 Regulations and Sustainability in Coral Harvesting15:33 Coral as a Jewelry Material18:03 Types of Coral and Their Significance21:50 Identifying Coral: Key Features and Characteristics24:33 Understanding Soft Coral: Misleading Names and Textures26:42 Fossilised Coral: The Transformation Process28:20 Exploring Black and Gold Coral: Unique Properties and Origins32:17 Coral Conservation: The Impact of Overfishing and Regulations34:44 Closing Thoughts: The Beauty and Importance of Coral resourcesGemmology by C. D. M. Roberts - https://www.amazon.com/Gemmology-C-D-M-Roberts/dp/XXXXXXCITES - Convention on International Trade in Endangered Species - https://cites.org/Coral Museum in Naples, Italy - https://www.coralmuseumnaples.it/https://instagram.com/facetnationgemmology guest linksInstagram - https://instagram.com/facetnationgemmologyTikTok - https://tiktok.com/@facet.nation.podcoral, gemmology, organic materials, jewellery, coral harvesting, coral types, coral regulation, fossilised coral, coral history, coral identificationSupport the show

Send us Fan MailIn this episode, Lucinda and Simon explore the fascinating world of gemmology instruments, focusing on colour filters like the Chelsea colour filter and pleochroism testing methods. Learn how these tools aid in gemstone identification and enhance gem cutting techniques.Educational key topicsColour filters in gemmologyChelsea colour filter purpose and usePleochroism and its significance in gemstone identificationTesting for pleochroism with London Dichroscope and calcite dichroscopeImportance of light source and gemstone orientation in testingNatural vs synthetic gemstone identification techniques key frameworksColour absorption principlesPleochroism and optical anisotropyGemstone orientation and cutting strategiesTitlesMastering Gemstone Identification: The Power of Colour Filters and Pleochroism TestsUnlocking Gem Secrets: Chelsea Filter and Pleochroism in Gemmology sound bites"Record your observation by stating the colour scene.""Always think about why you're looking at the stone.""Share your pleochroic observations with others."Chapters00:00 Introduction to Colour Filters in Gemmology01:55 Understanding Pleochroism and Selective Absorption05:27 Testing for Pleochroism with the London Dichroscope10:34 Comparing the London Dichroscope and Calcite Dichroscope15:36 Documenting Pleochroism Observations17:35 Understanding Gemstone Colours and Pleochroism20:04 The Chelsea Colour Filter: A Gemstone Testing Tool26:23 Practical Applications of the Chelsea Colour Filter28:50 Identifying Gemstones: Colour Responses and ObservationsresourcesGem-A - https://www.gem-a.comPleochroism in Gemstones (Book) - https://www.amazon.com/pleochroism-gemstonesInstagram - https://www.instagram.com/facetnationgemmologyEmail - [email protected], colour filters, Chelsea filter, pleochroism, gemstone identification, gem testing, gem cutting, gemmology toolsSupport the show

Send us Fan MailThis episode explores the fascinating world of jadeite, covering its geology, colours, treatments, cultural significance, and the latest gemological insights. Hosted by gemmologists Lucinda and Simon, it offers a deep dive into one of the most revered gemstones across cultures. key topicsJadeite vs NephriteColours and Varieties of JadeiteTreatments and Impostors in JadeiteCultural Significance of Jade in China and Central AmericaGeology and Formation of JadeiteTitlesJadeite Unveiled: 10 Facts Every Gemologist Should KnowThe Hidden World of Jadeite: From Burma to Central America sound bites"Imperial Jade is the poster child for jadeite""Mining jadeite involves cutting into massive boulders""Testing includes SG, hardness, and visual clues"Chapters00:00 Introduction to Jadeite02:54 The Complexity of Jadeite05:43 Understanding Jadeite's Properties08:39 The Formation and Sources of Jadeite11:20 Cultural Significance and Jewellery of Jadeite14:08 Impostors and Imitations of Jadeite18:40 Testing and Identifying Jadeite26:46 Exploring Literature and Its Influence28:01 Understanding Specific Gravity in Gemmology29:59 Testing Gem Hardness and Its Implications31:30 Refractive Index: A Key to Gem Identification33:28 The Complex World of Jade Treatments39:14 Cultural Significance of Jade in China51:31 Jade's Historical Importance in Central AmericaResourcesGem-A (Gemological Association of Great Britain) - https://gem-a.comReal Jade Co. - https://realjade.comInstagram - https://instagram.com/facetnationgemmologyjadeite, gemmology, gemstones, jade, mineralogy, treatments, cultural significance, Guatemala jade, gem identificationSupport the show

Send us Fan MailJoin us as we explore the journey of jewellery designer Andrew Geoghegan, from childhood fascination with treasure to creating innovative collections inspired by history and nature. Discover insights on craftsmanship, branding, and staying authentic in a digital world. key topicsAndy Geoghegan's early fascination with treasure and jewelleryThe journey from university to professional jewellery designThe importance of authenticity and personal style in brandingInspiration from history, nature, and personal experiencesChallenges and insights in modern jewellery marketing guest nameAndrew GeogheganTitlesFrom Childhood Mischief to Jewellery Mastery: Andrew Geoghegan's Creative JourneyUnlocking the Secrets of Gem Setting and Jewellery Design sound bites"That moment sparked my love for jewellery""The use of colour in jewellery is about expression""Finding that relic was like discovering treasure"Chapters00:00 Introduction to Andrew Geoghegan01:20 The Journey Begins: Early Memories of Jewellery02:57 From Art College to Jewellery Design09:10 Building the Brand: The Early Days11:32 Navigating Challenges and Perseverance16:22 The Digital Age: Marketing Jewellery Today23:56 Design Inspirations and Client Connections30:08 The Art of Craftsmanship in Jewellery34:06 Innovative Use of Colour in Jewellery Design36:59 Embracing Individuality in Gemstone Choices37:21 Inspiration from Nature and History42:33 The Thrill of Treasure Hunting48:44 Launching the Treowth Collection resourcesSusannah King on Instagram - https://www.instagram.com/susannahkinglondon/The Detectorists (TV Series) - https://www.netflix.com/title/80064446Gemology Resources - https://www.gia.edu/Jewelry Design Books - https://www.amazon.com/s?k=jewelry+design guest linksInstagram - https://www.instagram.com/andrewgeoghegan/https://andrewgeoghegan.com/jewellery design, gemmology, jewellery collection, craftsmanship, branding, authenticity, goldsmithing, gemstone, jewellery inspiration, digital marketingSupport the show

Send us Fan Mail Join us as Wim Vertriest, head of field gemmology at GIA, shares his journey from geology to gemmology, insights into Mozambique rubies, and the fascinating science behind gemstone origin determination. Discover how field gemmology connects geology, anthropology, and the gemstone trade to deepen your understanding of these precious stones. Key topicsWim Vertriest's journey from geology to gemmologyInsights into Mozambique ruby deposits and mining practicesThe role of field gemmology in understanding gemstone originsScientific techniques for gemstone identification and origin determinationThe impact of Mozambique rubies on the global gemstone market Guest nameWim VertriestTitlesThe Science and Secrets of Mozambique Rubies: An Interview with Wim VertriestFrom Geology to Gemmology: Wim Vertriest's Journey at GIA sound bites"Gemmology is about understanding the whole ecosystem.""Heat treatment leaves subtle but detectable clues.""My favourite gemstone is the Cat's Eye Chrysoberyl."Chapters00:00 Introduction to Gemmology and Guest Background02:57 Wim's Journey into Gemmology05:19 The Role of Field Gemmology07:55 Understanding Gemstone Origins10:14 Geological Mysteries of Rubies12:39 The Impact of Mining on Gemstones15:12 The Evolution of Consumer Awareness17:43 Building a Reliable Gemstone Collection20:30 The Multidisciplinary Nature of Field Gemmology23:04 Exploring the Origins of Sapphires24:09 Field Gemmology: Balancing Lab Work and Expeditions26:03 Research-Driven Gemmology: Filling Knowledge Gaps27:39 Emerging Trends in Gemstone Popularity29:24 The Challenges of Diamond Origin Determination30:37 Identifying Gemstones: The Art of Exclusion33:23 Declassifying Misidentified Stones39:55 The Canary in the Coal Mine: Ruby Heating Experiments44:18 The Chemistry of Gemstones46:47 Advanced Techniques in Gemmology48:08 The Rise of Mozambique Rubies52:42 The Evolution of Ruby Mining58:42 Changing Perceptions of Rubies01:01:11 The Future of Gemmology resourcesGIA Official Website - https://www.gia.eduGems and Gemology Journal - https://www.gia.edu/gems-gemologyMozambique Ruby Mining Insights (Report) - https://www.gia.edu/mozambique-ruby-reportWim Vertriest's Profile on LinkedIn - https://www.linkedin.com/in/wimvertriestGuest linksLinkedIn - https://www.linkedin.com/in/wimvertriestGIA Profile - https://www.gia.edu/wim-vertriestgemmology, gemstones, Mozambique rubies, gemstone origin, field gemmology, GIA, gem research, gemstone mining, gemstone identification, gem scienceSupport the show

Send us Fan MailIn this episode of Facet Nation, Simon and Lucinda delve into the fascinating world of gemmology, focusing on the spectroscope and its critical role in identifying gemstones. They discuss the different types of spectroscopes, techniques for using them, and the importance of diagnostic spectra in gem identification. The conversation is rich with insights into the nuances of color absorption and the practical applications of these tools in the field. The hosts also share personal anecdotes and tips for gem enthusiasts, making the episode both informative and engaging.TakeawaysThe spectroscope is essential for identifying gemstones.There are two main types of handheld spectroscopes: prism and diffraction grating.Using a spectroscope can help you understand how gemstones absorb light.Techniques for using a spectroscope include transmitted and reflected light methods.Diagnostic spectra are crucial for identifying specific gemstones.Understanding colour absorption helps in gem identification.The spectroscope can be used on both rough and polished stones.Learning the diagnostic spectra of gemstones is beneficial for gemmologists.The conversation emphasises the importance of practical experience in gemmology.Future episodes will cover more advanced topics in gemmology. "We're going to talk about the spectroscope.""It's a really good one.""You can't see it, but it's there."Chapters00:00 Introduction to Gemmology and Recent Finds02:06 Exploring the Spectroscope: A Gemmologist's Tool11:16 Understanding Dispersion and Diffraction in Gemstones18:39 Techniques for Using the Spectroscope22:31 Diagnostic Spectra and Their Importance26:53 The Art of Writing and Dashes29:41 Understanding Spectrums: Zircon and Ruby32:18 Emerald and Alexandrite Spectrums35:03 Synthetic and Natural Sapphires37:28 Exploring Iron Spectrums in Gemstones40:03 The Spectrum of Garnets and Jadeite42:42 Cobalt Spectrums: Spinel and Glass45:31 Rare Earth Elements and Red Glass47:59 Diamonds and Their Unique Spectragemmology, spectroscope, gemstones, diagnostic spectra, colour absorption, gem identification, gemmology techniques, gem enthusiasts, gem collectors, gemstone analysis, gemologySupport the show

Send us Fan MailIn this episode of the Facet nation gemmology podcast, Lucinda and Simon explore the intricate world of colour in gemstones. They discuss the significance of colour in determining the value of gemstones, the science of light and how it interacts with materials to create colour, and the chemical elements responsible for these hues. The conversation also covers the colour wheel and its relevance to gemstones, the methods of analysing gemstones through spectroscopy, and the perception of colour. The episode concludes with a teaser for future discussions on more complex topics related to colour in gemmology.TakeawaysColour is the most important aspect of coloured gemstones.The value of gemstones is influenced by colour, history, and trends.Light is essential for colour perception in gemstones.Selective absorption determines the colour we see in gemstones.Eight chemical elements are responsible for colour in gemstones.The colour wheel helps understand colour relationships in gemstones.Not all light sources are suitable for gemstone analysis.Spectroscopy is a key tool in analysing gemstone colours.Understanding the science of colour enhances appreciation for gemstones.Future episodes will explore more complex topics in gemmology.TitlesExploring the Colour Spectrum of GemstonesThe Science Behind Gemstone ColoursSound bites"Everything comes back to light.""Not all white light is created equal.""If there is no light, does colour exist?"Chapters00:00 Introduction to Colour in Gemmology01:50 The Importance of Colour in Gemstones04:34 Understanding Light and Colour09:11 Chemical Elements and Colour12:29 The Colour Wheel and Its Application16:15 Spectroscopy and Light Sources21:16 Conclusion and Future Topicsgemstones, colour, light, spectroscopy, chemical elements, colour wheel, gemmology, ruby, sapphire, emeraldSupport the show

Send us Fan MailIn this episode of Facet Nation, hosts Lucinda and Simon welcome gem cutter Justin K Prim, who shares his fascinating journey from music to gemmology. Justin discusses his experiences in the gem trade, the art and science of gem cutting, and the importance of community in the field. He also delves into his favorite gemstones, the challenges of the trade, and his exciting new projects, including a gem cutting school and a museum showcasing his extensive collection of machines and books.Find out more:https://www.magusgems.comhttps://www.facetingapprentice.comTakeawaysJustin transitioned from a career in music to gem cutting.He discovered the gem trade through a local gem show.Lapidary clubs play a crucial role in learning gem cutting.Emeralds are Justin's favourite gemstones to cut.The gem cutting process requires patience and attention to detail.Community support is vital for aspiring gem cutters.Justin emphasises the importance of creativity in gem cutting.He is excited about his new gem cutting school and museum.The gem trade is evolving, with a growing appreciation for well-cut stones.Justin's books aim to educate and inspire future gem cutters.TitlesFrom Music to Gemmology: Justin K Prim's JourneyThe Art of Gem Cutting with Justin K PrimSound bites"I want to keep cutting.""I love cutting emeralds.""It's a mystery."Chapters00:00 Introduction to Gemmology and Guest Introduction01:13 Justin's Journey into Gem Cutting05:19 Discovering the Gem Trade09:06 The Evolution of Gem Cutting Community11:45 Getting Started in Lapidary14:47 The Art of Gem Cutting16:18 Moving to Bangkok for Gemmology School20:20 Building a Career in Gem Cutting23:07 Life in France and the Gem Business25:47 The Process of Cutting a Gemstone27:01 The Art of Preforming and Cutting Gems29:54 Polishing and Final Touches in Gem Cutting31:54 Exploring Different Faceting Techniques33:43 The Journey of Learning and Experimentation36:30 Building a Gem Cutting School and Museum38:15 The Passion Behind Gem Cutting and Teaching42:29 The Evolution of Gem Cutting Techniques47:32 Historical Insights into Gem Cutting52:36 The Importance of Quality in Gemstones54:57 Understanding Coloured Stones vs. Diamonds56:28 The Journey of a Gemstone Buyer58:53 Emotional Connections in Jewellery Making01:04:48 The Art of Cutting Gemstones01:06:23 Future Plans and Collaborationsgemmology, gem cutting, gemstones, lapidary, gem trade, gem cutter, gem education, gem collection, gem stories, gem enthusiasts, books, gem history, museumSupport the show

Send us Fan MailIn this episode of Facet Nation, hosts Lucinda and Simon interview Jeff Hapeman, owner of Earth's Treasury, who shares his unique journey from academia to the gem industry. Jeff discusses the fascinating world of Montana sapphires, the challenges and opportunities within the gem market, and the importance of ethical sourcing and cutting techniques. The conversation highlights the growing popularity of coloured stones and the evolving consumer preferences in jewellery design. In this engaging conversation, Jeff Hapeman discusses the intricacies of gem cutting, the inspirations behind his jewellery designs, and the fascinating world of photomicrography. He shares insights into the judging process for the Gem-A Photographer of the Year and reflects on his experiences with Montana sapphires, emphasising the beauty and uniqueness of gemstones.TakeawaysJeff transitioned from academia to gemmology after realising academia wasn't for him.Earth's Treasury focuses on American gemstones, particularly Montana sapphires.Montana sapphires offer a unique variety of colours and qualities.The gem industry faces challenges with sourcing and environmental regulations.Jeff emphasises the importance of ethical sourcing in the gem market.The rise of coloured stones reflects changing consumer preferences.Gem cutting techniques can significantly affect the appearance of stones.There is a growing awareness of the importance of quality cutting in coloured stones.Jeff believes that coloured stones are becoming more popular among younger generations.The future of gemmuology will likely see continued growth in the colored stone market. The pavilion angle needs to be steeper for optimal performance.Jewellery is bespoke and designed specifically for each stone.Sphene is a captivating gem with unique dispersion.The Garnet Supernova necklace was inspired by a collector's love for Art Deco.Colour is a key element in trendy jewellery designs.Photomicrography reveals the intricate beauty of gemstones.Judging photography involves assessing technical skill and aesthetic appeal.Montana sapphires are mined in limited quantities, often yielding smaller stones.Patience and persistence are essential in gemstone photography.The journey of a gemstone from rough to finished piece is a labor of love.TitlesThe Art of Gem Cutting: Insights from Jeff HapemanDesign Inspirations: Crafting Unique JewellerySound bites"I try to minimise the waste.""They look awesome.""I love all gems equally."Chapters00:00 Introduction to Gemmology and Guest Introduction03:24 Jeff Hapeman's Unique Journey into Gemmology08:41 The Birth of Earth's Treasury and Business Evolution12:14 Montana Sapphires: A Gemstone Revolution19:55 The Appeal of Coloured Stones in Modern Jewellery23:29 The Future of Diamonds and Coloured Gemstones27:41 Exploring Unique Garnets and Tourmalines29:02 Innovative Cuts for Montana Sapphires31:35 The Art of Precision Cutting33:30 Designing Jewellery with Timeless Inspiration37:50 Creating Signature Jewellery Designs42:38 The World of Photomicrography47:41 Judging the GemA Photographer of the Year49:26 The Art of Inclusion Photography52:06 Patience in Photography and Nature53:24 Experiences in the UK and Gemmology56:14 Self-Publishing and the Journey of a Book58:11 The Reality of Sapphire Mininggemmology, Montana sapphires, Jeff Hapeman, Earth's Treasury, gem cutting, coloured stones, jewellery design, gem industry, gem trenSupport the show

Send us Fan MailIn this episode of Facet Nation, Simon and Lucinda delve into the intricacies of the refractometer, a crucial tool for gemmologists. They discuss its importance in identifying gemstones by measuring the refractive index, emphasising how light behaves when it enters different materials. The hosts share personal anecdotes and practical tips for using the refractometer effectively, including the significance of using the right light source and the challenges posed by contact fluid. They also highlight common pitfalls and best practices to ensure accurate readings, making the episode both informative and engaging for listeners interested in gemmology.Throughout the conversation, Simon and Lucinda provide insights into the technical aspects of the refractometer, such as total internal reflection and the importance of clean surfaces. They also touch on the emotional aspects of studying gemmology, sharing their experiences with exam preparation and the sense of community among gemmology students. The episode concludes with a light-hearted discussion about the challenges of using the refractometer and the importance of practice in mastering this essential tool.Keywordsgemmology, refractometer, gemstone identification, light refraction, gemmology tools, refractive index, gemmologist tips, gemmology podcast, optical properties, gemstones, gem testing, light and optics, education, scienceTakeawaysThe refractometer is essential for identifying gemstones.Using the correct light source is crucial for accurate readings.Practice makes perfect when using the refractometer.Keep the glass table of the refractometer clean to avoid inaccurate results.Understanding total internal reflection is key to using the refractometer.TitlesMastering the Refractometer: Essential Tips for GemmologistsUnlocking the Secrets of Gemstone Identification with the RefractometerSound bites"Not having a refractometer is like going into battle with a spoon.""Sodium yellow light is the agreed upon standard.""When in doubt, get your refractometer out."Chapters00:00 Introduction to the Refractometer01:52 Understanding Refraction and Its Importance04:53 How the Refractometer Works10:22 The Role of RI Fluid in Testing14:10 Interpreting Shadow Edges and RI Readings19:08 Birefringence and Its Significance22:56 Identifying Uniaxial vs. Biaxial Stones25:24 Understanding Biaxial Materials28:13 Distant Vision Reading Techniques32:52 Practical Tips for Using a Refractometer36:29 House Rules for Refractometry41:30 Final Thoughts on Refractometer UseSupport the show

Send us Fan MailIn this episode of Facet Nation, Lucinda and Simon discuss their experiences preparing for and taking the Gem-A exams, particularly focusing on the diploma exam. They share personal anecdotes about their study strategies, the unique challenges of the Gem-A exams, and tips for managing exam anxiety. The conversation covers various aspects of preparation, including the importance of understanding the material deeply, utilizing practice papers, and the significance of real-world application in gemmology. They also reflect on their experiences during the exam days, offering insights into the practical and theory components of the exams, and conclude with advice for future candidates.Exams can be stressful, but preparation helps alleviate anxiety.Gem-A exams are known for their difficulty and require deep understanding.Different study methods work for different people; find what suits you best.Real-world application of gemmology knowledge enhances understanding.Start preparing early to build a solid foundation of knowledge.Utilise flashcards and practice papers for effective revision.Stay calm and organised during the exam to maximise performance.The invigilators are supportive and there to help you succeed.It's normal not to doubt yourself during the exam; trust your knowledge.Post-exam discussions can help clarify doubts and reduce anxiety.Navigating the Gem-A Exam ExperienceMastering Gemmology: Exam Strategies and InsightsSound bites"I was really worried about the practical.""You can get two wrong and still pass.""I still have dreams about it."Chapters00:00 Introduction to Exam Season Anxiety02:38 Understanding GEM-A Exams05:31 Preparing for the Diploma Exam07:53 Study Strategies and Techniques10:47 Real-World Application of Gemmology13:27 Tips for Early Preparation15:51 One Month Out: Focused Revision18:48 The Importance of Practice Papers21:29 Final Week Preparations24:16 Day of the Exam: Priorities and Mindset32:07 Navigating Exam Day Challenges37:19 Exam Preparation Strategies41:31 Experiencing the Exam: Insights and Reflections51:56 Coping with Post-Exam Anxiety55:39 Final Thoughts and Advice for Future CandidatesSupport the show

Send us Fan MailSummaryIn this episode, Lucinda and Simon explore the fascinating world of spinel, a gemstone often overshadowed by rubies and sapphires. They discuss its chemical composition, colour variations, and historical significance, as well as the modern rise of synthetic spinel. The conversation delves into the properties that make spinel a desirable choice for jewellery, its unique inclusions, and the testing methods used to identify it. The hosts also highlight famous spinels throughout history, emphasising the gemstone's newfound recognition and value in the gemological community.TakeawaysSpinel is often confused with rubies and sapphires due to its similar appearance.The chemical composition of spinel is magnesium aluminum oxide.Spinel comes in a variety of colors, including red, blue, and black.Spinel is a durable gemstone, making it suitable for everyday wear.Historically, spinel was often misidentified as ruby, leading to its nickname 'balast ruby.'The Mahenge region of Tanzania produces some of the most valuable spinels.Spinel crystals can form in octahedral shapes, similar to diamonds.Synthetic spinel is produced using the Verneuil flame fusion method.Testing spinel involves using a refractometer to determine its refractive index.Famous spinels include the Black Prince's Ruby and the Timur Ruby.Chapters00:00 New Year, New Beginnings02:07 The Allure of Spinel03:47 Understanding Spinel's Composition07:59 The Color Spectrum of Spinel10:55 Spinel Crystals and Their Formation14:08 Historical Significance and Modern Sources17:59 Inclusions and Unique Features of Spinel18:58 Identifying Spinel vs. Other Stones24:06 Synthetic Spinel: The Modern Challenge30:11 Introduction to Spinels and Spectroscopy34:03 Understanding Spinel Spectra35:40 Famous Spinels: The Black Prince's Ruby38:06 The Historical Significance of Spinels41:29 The Sumerian Spinel: Myths and Legends44:32 The Cote de Bretagne Spinel: A Unique Jewel47:10 The Modern Recognition of SpinelsKeywordsSpinel, gemstones, gemology, inclusions, synthetic spinel, colour spectrum, historical significance, identification, properties, testing, gemmologySupport the show

Send us Fan MailIn this episode of Facet Nation, hosts Simon and Lucinda chat with Rosie Young, a lab gemologist at GCS Lab. Rosie shares her journey from a tax advisor to a passionate gemmologist, discussing her education, experiences, and the day-to-day operations in a gem lab. The conversation delves into the fascinating world of sunstones, including their unique properties, treatments, and the science behind their colours. Rosie also highlights her research on sunstones and the importance of spreading awareness about this beautiful gemstone. The episode concludes with insights into the gem market and the joy of discovering new gemstones.TakeawaysRosie transitioned from tax advising to gemmology, pursuing her passion.She graduated with a BSc in Gemmology and started working at GCS Lab.Lab gemmology involves analysing gemstones using advanced equipment.Sunstones are a unique and under-appreciated gemstone.Copper-bearing sunstones come primarily from Oregon.Diffusion treatment can alter the appearance of gemstones.Color zoning in sunstones is a fascinating phenomenon.Rosie enjoys sharing her knowledge about gemstones with others.The gem market is constantly evolving with new trends.Sunstones have a variety of localities and unique characteristics.TitlesExploring the World of Gemmology with Rosie YoungThe Journey from Tax Advisor to GemmologistSound Bites"I always loved gems as a kid.""It's worked out really well for me.""I would just be happy for it."Chapters00:00 Introduction to Gemmology and Guest Introduction04:39 Rosie's Journey into Gemmology07:06 Educational Experiences in Gemmology09:43 Internship at GIA and Research Focus12:19 Working at GCS Lab: Daily Operations15:11 Lab Equipment and Techniques17:33 Trends in Gemstone Submissions20:18 Favourite Gemstones and Unique Finds22:46 Research on Sunstones and Their Varieties26:14 The Quest for Sunstone Knowledge27:18 Origins of Sunstones28:25 Locality Preferences and Unique Characteristics28:59 Copper-Bearing Sunstones: A Comparative Analysis30:48 Colour Zoning in Oregon Sunstone33:29 Copper Diffusion Experiments36:29 The Science Behind Diffusion Treatments38:15 Identifying Diffusion-Treated Stones42:23 Personal Connections to Sunstone44:59 Exploring the World of Sunstones47:34 Inspiration from Gemstones48:25 Holiday Greetings and Future PlansKeywordsgemmology, sunstone, lab gemmology, gemstone treatments, GCS Lab, Rosie Young, gem education, gemstone analysis, gem certification, gem market trendsSupport the show

Send us Fan MailIn this episode of Facet Nation, Simon and Lucinda explore the intricacies of gemmology, focusing on the polariscope and its significance in testing gemstones. They discuss the behaviour of light in relation to isotropic and anisotropic materials, the importance of understanding internal stress in gems, and the use of the conoscope for identifying gemstones. The conversation emphasises community engagement and the joy of learning in the field of gemmology.TitlesThe Fascinating World of GemmologyUnderstanding Gem Testing InstrumentsSound bites"We want to see more cats.""Light needs to be able to get through.""The bullseye is diagnostic of quartz."Chapters00:00 Introduction to Gemmology and Light Testing02:55 Deep Dive into the Polariscope05:26 Understanding Polarisation and Light Behaviour08:01 Isotropic vs. Anisotropic Materials10:41 Testing Gemstones with the Polariscope13:05 Vibration Directions in Gemstones15:49 Birefringence and Optical Axes18:41 Conclusion and Key Takeaways23:52 Understanding Polycrystalline Materials27:19 Exploring Strain and Anomalous Double Refraction30:39 Identifying Tabby Extinction and Writhing Snakes34:11 The Role of the Conoscope in Gem Testing37:26 Interference Figures: The Bullseye and Beyond39:47 Biaxial Interference Figures and Their SignificanceUnderstanding the importance of the polariscope in gemmology.Light behaviour is crucial for interpreting gemstone properties.Isotropic materials remain dark under polarised light.Anisotropic materials show varying light responses.Polycrystalline materials allow light through in multiple directions.Anomalous double refraction indicates internal stress in gemstones.Conoscopes help identify gemstone types through interference figures.Interference figures provide diagnostic information about gemstones.Recognising tabby extinction and writhing snakes in gem testing.The podcast emphasises community engagement and learning.gemmology, polariscope, isotropic, anisotropic, gemstones, light behaviour, gem testing, interference figures, conoscope, anomalous double refraction, gemologySupport the show

Send us Fan MailIn this live episode of Facet nation, hosts Simon and Lucinda share their experiences at the London Gem and Mineral Show, where they discuss the fascinating gemstone Tanzanite, its properties, discovery, and significance as a birthstone for December. They delve into the science behind Tanzanite's colour, its varieties, and its cultural importance, while also sharing personal anecdotes and insights from their gemmology journey.The London Gem and Mineral Show was a significant experience for the hosts.Tanzanite is the birthstone for December, making it a popular gift choice.Zoisite is the mineral family that Tanzanite belongs to.Tanzanite's colour is influenced by the presence of vanadium and iron.The discovery of Tanzanite is attributed to various individuals, leading to some controversy.Tanzanite requires heat treatment to achieve its vibrant blue colour.The gemstone is known for its vitreous lustre and unique trichroism.Tanzanite is relatively soft, making it less suitable for certain types of jewellery.The largest faceted Tanzanite weighs 703 carats, showcasing its potential size.Tanzanite is associated with transformation and spirituality in various cultures.TitlesThe Fascinating World of TanzaniteTanzanite: A December Birthstone ExplorationSound bites"It's our first ever live show!""Tanzanite has a vitreous luster.""Tanzanite is a very rare stone."Chapters00:00 Introduction to the Live Show Experience03:16 Exploring Tanzanite: The Birthstone of December06:19 Understanding Zoisite and Its Varieties09:08 The Science Behind Tanzanite's Colour and Properties12:25 The Discovery and Commercialisation of Tanzanite15:11 Tanzanite's Unique Characteristics and Uses18:09 Metaphysical Properties and Cultural Significance of Tanzanite21:12 Conclusion and Future of Facet nation PodcastTanzanite, Gemmology, Birthstone, Zoisite, Live Podcast, Gemstones, Mineral Show, Colour Properties, Discovery, Metaphysical Properties, Gemology, Tiffany, TrichroismSupport the show

Send us Fan MailIn this episode of the Facet nation podcast, Simon and Lucinda delve into the intricate world of light and optics as they relate to gemmology. They explore the fundamental properties of light, including reflection and refraction, and discuss how these principles apply to gemstones. The conversation covers the importance of cut in diamonds, the various optical effects seen in gemstones, and the significance of birefringence. The hosts also touch on the practical applications of these concepts in gem testing, providing listeners with a comprehensive understanding of how light interacts with gemstones.TakeawaysLight is a form of electromagnetic energy that travels at high speeds.Visible light is a small part of the electromagnetic spectrum, detectable by the human eye.Brilliance in diamonds is a result of precise cutting and internal reflections.The cut of a diamond significantly affects its appearance and brilliance.Total internal reflection is crucial for maximizing light return in gemstones.Aventurescence is caused by reflective inclusions within a gemstone.The cat's eye effect requires specific needle-like inclusions to be visible.Asterism is a star-like effect that requires multiple sets of inclusions.Understanding birefringence helps in identifying different gemstone types.The optical properties of gemstones are essential for gem testing and identification.The Fascinating World of GemologyLight and Optics: A Gemologist's GuideSound bites"Light is a form of electromagnetic energy.""Visible light is white.""Brilliance is what makes diamonds special."Chapters00:00 Introduction to Facet nation and Light in Gemmology03:38 Understanding Light and Its Properties09:14 Refraction and Its Importance in Gemmology17:39 Single vs. Double Refraction in Gemstones23:52 Birefringence and Its Applications in Gem Testing24:41 Understanding Light and Gemstones28:24 The Brilliance of Diamonds31:49 The Importance of Cut in Diamonds34:22 Exploring Fire and Dispersion in Gemstones37:05 Optical Effects in Gemstones46:15 Chatoyancy and Asterism: The Star Effect49:08 Labradoressence and Other Optical Phenomenagemology, light, optics, reflection, refraction, birefringence, diamonds, optical effects, gemstones, gem testing, gemmologySupport the show

Send us Fan MailIn this episode Lucinda and Simon speak to gem cutting pioneer Arya Akhavan, his trademarked gemstone cuts; the Void Reaver and the Legend of Zelda inspired Rupee cut are some of the most beautiful you'll ever see.Listen to this fascinating interview full of almost revealed secrets and future excitement. If you love gems, videogames or videogame gems, this is the interview for you.Arya Akhavan is a pioneer in video game-themed gem cutting.The gem cutting community is becoming more collaborative and innovative.Video games have a historical connection to gemstones as valuable items.Creating video game-inspired gems involves both artistic and technical skills.The rupee cut is a unique design that poses specific challenges.Community forums like Shiny Precious Gems foster support and creativity.Modern gem cutting techniques are evolving rapidly, especially post-COVID.There is a growing demand for high-end video game-themed jewelry.Education in gem cutting is becoming more accessible and innovative.The emotional connection to gemstones influences how they are valued and cherished.Link: Kickstarterhttps://www.kickstarter.com/projects/canadacrystallabs/the-gemstone-lab-growing-never-before-seen-lab-sapphiresReddithttps://www.reddit.com/r/Shinypreciousgems/TitlesGemology Meets Gaming: The Rupee Cut RevolutionCrafting Gems: Arya Akhavan's JourneySound bites"It's a really fascinating chat.""Nobody else had published them.""It's a rescue puppy."Chapters00:00 The Emergence of Video Game Jewelry04:56 Educational Challenges in Gem Cutting07:36 The Growth of Modern Gem Cutters10:19 Community Building in Gemology13:20 The Intersection of Gemstones and Video Games15:52 Creating the Rupee Cut18:38 Characteristics of the Rupee Cut21:40 Materials for Gem Cutting24:11 Challenges with Certain Gem Materials25:12 Setting and Wearing Gemstones26:59 Emotional Connections to Cut Stones28:27 Innovative Gemstone Designs29:48 The Evolution of Gem Cutting Techniques33:09 The Renaissance of Modern Gem Cutting36:26 Future Innovations in Gemstone Research43:01 Exploring Corundum and Sapphires45:18 Community Engagement in Gemology46:47 The Value of Rupees and Gaming Referencesgemmology, video game gems, gem cutting, Arya Akhavan, gemstone design, community building, gem education, rupee cut, innovative designs, gem materials, gemologySupport the show

Send us Fan MailIn this episode of the Facet Nation: A gemmology podcast, hosts Lucinda and Simon explore the intricate relationship between light and gemstones. They discuss the importance of light in visibility and gem testing, delve into the characteristics of light waves, and examine historical theories of light, including Newton's corpuscular theory and Huygens' wave theory. The conversation also covers the significance of polarised light, the behaviours of light such as reflection, refraction, and diffraction, and the implications of the double slit experiment. The episode concludes with a look ahead to future topics related to light and gemmology.TitlesExploring the Nature of Light in GemmologyThe Journey of Light: From Waves to GemsSound bites"What is light?""Light is essential for visibility.""Polarised light reduces glare."Chapters00:00 Introduction and Graduation Celebration03:03 Mnemonic for Mohs Scale05:48 Understanding Light and Optics11:28 Characteristics of Waves16:59 Polarised Light and Its Applications22:21 Wave Behaviours: Reflection, Refraction, and Diffraction24:16 History of Light Theory and Newton's Contributions26:29 Theories of Light: Newton vs. Huygens30:07 The Double Slit Experiment: Proving Wave Theory33:57 Einstein and the Birth of Modern Physics36:10 The Photoelectric Effect: Light as Particles38:31 Understanding Light: Refraction and Colour42:09 Reflection, Transmission, and Absorption of Light43:50 Recap and Future Discussions on Light and GemmologyTakeawaysLight is essential for visibility and understanding gemstones.The Mohs scale mnemonic can be improved for better memorization.Light behaves as both a wave and a particle, known as wave-particle duality.Polarised light is crucial for reducing glare and enhancing visibility.Understanding wave characteristics like amplitude and frequency is vital for gemmology.Reflection, refraction, and diffraction are key behaviours of light waves.Historical theories of light evolved from Newton's corpuscular theory to wave theories.The double slit experiment demonstrated light's wave nature through interference patterns.Light interacts with matter, affecting colour perception and gemstone identification.Future discussions will delve deeper into light's role in gem testing.gemmology, light, optics, waves, Mohs scale, polarised light, reflection, refraction, diffraction, history of light, gemology, scienceSupport the show

Send us Fan MailIn this episode of the Facet nation podcast, Simon and Lucinda delve into the intricate world of gemmology, focusing on the concepts of weight, density, and specific gravity. They explore the historical significance of Archimedes' principle, practical methods for hydrostatic weighing, and the use of heavy liquids in gem identification. The hosts engage with their audience, sharing insights and personal anecdotes, while emphasising the importance of these concepts in the gem trade.TitlesThe Weight of Gems: Understanding Density and GravityGemmology 101: Weight, Density, and Specific GravitySound bites"Weight is crucial in gem pricing.""The importance of weight in gem pricing.""Carat weight affects the price per carat."Chapters00:00 Introduction and Welcome02:53 Engagement with Listeners05:14 Understanding Weight and Density in Gemstones10:33 The Importance of Carat Weight14:49 Price Per Carat and Market Dynamics20:18 Specific Gravity Explained25:11 Historical Context of Specific Gravity Measurement27:24 Eureka! The Principle of Displacement28:39 Hydrostatic Weighing: The Science of Density33:45 Heavy Liquids: Testing Gemstones at Home38:17 The Game of Sink, Swim or SuspendWeight is crucial in gem pricing and identification.Specific gravity is a key property for gemologists.Archimedes' principle is foundational in understanding density.Hydrostatic weighing is a practical method for determining specific gravity.Heavy liquids can help distinguish between different gemstones.Amber's specific gravity allows it to float in saltwater solutions.Carat weight affects the price per carat of gemstones.Understanding heft can aid in gem identification.Gemmologists often use digital scales for precise measurements.Engagement with listeners enhances the podcast experience.gemmology, weight, density, specific gravity, gemstones, Archimedes, hydrostatic weighing, heavy liquids, carat weight, gem identification, gemologySupport the show

Send us Fan MailIn this episode of FacetNation, Lucinda and Simon delve into the essential aspects of gem durability, focusing on hardness, toughness, and stability. They discuss the Mohs scale of hardness, the importance of understanding these properties for both gemologists and jewellery enthusiasts, and practical tips for caring for gemstones. The conversation also covers the differences between fracture and cleavage, the impact of chemical stability on gems, and how to properly maintain and wear jewellery. The episode concludes with listener engagement and a shout-out to dedicated fans.TakeawaysUnderstanding durability is crucial for gemmologists and jewellery lovers.Hardness, toughness, and stability are the three main aspects of durability.The Mohs scale helps determine a gemstone's hardness.Toughness refers to a material's ability to resist fracture.Stability involves a gem's resistance to chemical and physical changes.Different gemstones have varying levels of durability and care requirements.Fracture and cleavage are important concepts in gemmology.Chemical stability can affect the appearance and longevity of gemstones.Proper care can prevent damage to valuable gems.Engaging with listeners enhances the podcast experience.TitlesThe Essential Guide to Gem DurabilityUnderstanding Gemstone Hardness and ToughnessSound bites""You need to know them stone for stone.""""Last on and first off for pearls.""""Don't put your tourmalines in the ultrasonic, y'all.""Chapters00:00 Understanding Durability in Gemstones02:57 The Importance of Hardness05:33 Mohs Scale of Hardness Explained08:08 Identifying Gemstones by Hardness10:44 Toughness and Durability in Gemstones13:19 The Role of Friedrich Mohs15:48 Practical Applications of Hardness Testing20:46 Understanding Hardness and Scratch Testing24:44 Identifying Composite Materials and Their Characteristics26:28 Differential Hardness Explained30:35 The Art of Cleaving Diamonds34:21 Modern Techniques in Diamond Cutting35:53 Differential Hardness in Other Gemstones41:08 The Streak Test: A Practical Approach45:36 Toughness vs Hardness in Gemstones46:18 Thermal Expansion and Gemstone Integrity47:46 The Dark Side of Crackled Quartz49:09 Understanding Fractures in Gemstones50:53 Cleavage vs. Fracture: Key Differences52:50 The Importance of Cleavage in Gem Identification54:35 Incipient Cleavage: A Hidden Danger56:21 Stability: The Third Pillar of Durability01:01:11 Chemical Vulnerabilities of Gemstones01:04:29 Porosity and Its Impact on Stability01:06:24 Final Thoughts on Gem Durabilitygemmology, durability, hardness, toughness, stability, Mohs scale, gemstones, jewellery care, fracture, cleavage, gemologySupport the show

Send us Fan MailIn this episode of Facet Nation, Lucinda and Simon explore the spooky side of gemstones, discussing Halloween traditions, recent robberies in the gem industry, and the history of cursed stones. They delve into tales of the Black Orlov diamond, the Bahia Emerald, The Black Prince's Ruby, and the infamous Hope Diamond, revealing the dark stories and misfortunes associated with these gems.TakeawaysHalloween is a significant cultural event in America.The UK is slowly adopting American traditions like Halloween.Recent robberies in the gem industry highlight security issues.The Louvre robbery was a simple yet bold heist.Cursed gemstones have fascinating histories and folklore.The Black Orlov diamond is linked to multiple tragic deaths.The Bahia emerald has a history of misfortune for its owners.The Black Prince's ruby is associated with the downfall of monarchs.The Hope diamond has a legacy of tragedy and misfortune.Curses often stem from the act of stealing sacred objects.TitlesCursed Gems: The Dark Side of BeautyHalloween and the Haunting of GemstonesSound Bites"Simon was the ringleader.""It's a bit weird.""The no hope diamond."Chapters00:00 Halloween and Its Cultural Significance02:56 Recent Robberies in the Gem Trade05:42 The Louvre Robbery: A Closer Look08:24 Hatton Garden Heist: A Shocking Incident11:05 The Emotional Weight of Jewellery13:18 Cursed Gemstones: An Introduction15:45 The Black Orlov: A Cursed Diamond20:30 The Curse of the Black Orlov Diamond24:27 The Bahia Emerald: A Tale of Misfortune30:04 The Black Prince's Ruby: A Royal Curse38:31 The Legacy of Cursed Gems38:53 Historical Figures and Their Legacies41:03 The Curse of the Hope Diamond54:18 Cursed Gems and Their StoriesKeywordsHalloween, gemstones, robberies, cursed stones, folklore, jewellery, history, spooky stories, gemmology, folklore, jewelry, gemology, diamondSupport the show

Send us Fan MailIn this episode, Lucinda and Simon dive deep into the fascinating world of Beryl gemstones, exploring its various types, including Emerald, Aquamarine, and Bixbite. They discuss the geological formation of Beryl, its unique characteristics, and the treatments often applied to enhance its appearance. The conversation also touches on the rarity of certain Beryl varieties and the importance of understanding inclusions and localities in gemmology. With a mix of humour and insightful information, the hosts provide a comprehensive overview of this captivating gemstone family.TakeawaysBeryl is a family of gemstones that includes Emerald, Aquamarine, and more.Emerald is unique within the Beryl family due to its colour and rarity.Beryl in its pure form is colourless and known as Goshenite.Emeralds are brittle and require special care when setting.Aquamarine is often heat-treated to enhance its blue colour.Bixbite, or red Beryl, is extremely rare and valuable.Emeralds often contain inclusions, making them unique.Goshenite is colourless and comes from Goshen, Massachusetts.Maxixe Beryl fades in sunlight, making it a unique case.Understanding the geology of Beryl helps in identifying its varieties.Sound Bites"Emerald is its own beast.""Just say Mica and move on.""Aquamarine means seawater."Chapters00:00 Introduction to Beryl and Gemstones03:02 Exploring the Beryl Family05:58 Geology and Formation of Beryl08:37 Emerald: The Unique Gemstone11:22 Emerald's Rarity and Value14:18 Emerald's Characteristics and Challenges16:55 Emerald Cut and Its Significance19:26 Emerald Varieties and Misconceptions24:12 Distinctive Styles and Family Dynamics26:29 Emerald Inclusions and Their Significance28:14 Emerald Localities: Colombia vs. Zambia32:51 Emerald Testing Techniques36:31 Emerald Treatments and Their Implications42:51 Synthetic Emeralds: Understanding the Differences45:02 Understanding Synthetic Emeralds49:37 Exploring Aquamarine: Characteristics and Treatments55:39 Identifying Aquamarine vs. Blue Topaz56:47 The Unique Properties of Heliodor and Morganite58:27 The Rarity and Value of Bixbite01:00:53 Goshenite and Maxixe Beryl: Lesser-Known VarietiesKeywordsBeryl, Emerald, Aquamarine, Gemmology, Gemstones, Crystallography, Geology, Treatments, Inclusions, Rare GemsSupport the show

Send us Fan MailIn this episode of Facet Nation, Simon and Lucinda delve into the fascinating world of gemmology, focusing on crystals and their structures. They discuss the importance of understanding crystal systems, symmetry, and the various forms and habits of crystals. The conversation also covers topics such as twinning, pseudomorphs, polymorphs, and isomorphism, providing listeners with a comprehensive overview of these essential concepts in gemmology. The episode concludes with a preview of the next episode, which will focus on the Beryl family of crystals.TakeawaysCrystals have orderly arrangements of atoms that define their structure.Understanding crystal systems is crucial for gemmology.Symmetry plays a significant role in identifying crystal types.Crystals can be classified into closed and open forms based on their terminations.Twinning occurs when two crystals share a common orientation.Pseudomorphs are formed when one mineral replaces another.Polymorphs have the same chemical composition but different structures.Isomorphism refers to different minerals having the same crystal structure.Crystals can exhibit various surface markings that aid in identification.The next episode will focus on the Beryl family of crystals.Sound Bites"Crystals have orderly arrangements of atoms.""Understanding crystal systems is crucial for gemmology.""Get those sticks out, y'all!"Chapters00:00 Introduction to Facet Nation02:53 Exciting Developments and Listener Engagement05:40 Understanding Crystals and Their Structures10:53 Crystal Systems and Their Characteristics18:48 Symmetry in Crystals26:32 Crystal Forms and Their Descriptions34:17 Understanding Crystal Structures37:41 Exploring Non-Geometrical Crystal Habits39:57 Surface Markings and Their Significance44:10 The Fascinating World of Crystal Twinning50:33 Pseudomorphs and Polymorphs Explained53:01 Isomorphism and Its Implications55:02 Crystallography: The Systems and Their MembersSupport the show

Send us Fan MailIn this episode of Facet Nation, Lucinda and Simon delve into the foundational aspects of gemmology, focusing on the materials and structures that make up gemstones. They explore chemical elements, atoms, and subatomic particles, emphasising the importance of the periodic table and valency in understanding chemical bonds. The discussion covers crystalline and amorphous structures, the significance of quartz, and the formation of minerals. They categorize gemstones into oxides, silicates, carbonates, phosphates, and organic materials, providing insights into their properties and roles in gemmology. Strap in people, this is a heavy one.TitlesExploring the Depths of GemmologyThe Building Blocks of GemstonesSound bites"Atoms are extremely small.""Carbon has a valency of four.""Carbonates are the hippies of the group."Chapters00:00 Introduction to Gemmology and Episode Overview03:08 Understanding Elements and Atoms06:09 Subatomic Particles and Their Roles09:03 The Periodic Table and Atomic Structure11:52 Valency and Chemical Bonds14:36 Oxidation and Its Importance17:38 Types of Chemical Bonds20:27 Crystal Structures and Their Significance23:32 Minerals and Their Formation26:15 Key Elements in Gemstone Composition28:09 The Ubiquity of Quartz and Its Elements31:54 Understanding Gemstone Composition34:27 The Importance of Silicates40:07 Exploring Carbonates and Their Characteristics42:03 The Role of Organic Materials in Gemstones46:17 Rocks and Their Complexitiesgemmology, chemical elements, atoms, subatomic particles, periodic table, valency, chemical bonds, crystalline structure, minerals, gemstone composition, oxides, silicates, carbonates, phosphates, organic materialsSupport the show

Send us Fan MailKeywordsrubies, gemology, birthstones, Myanmar, treatments, synthetic rubies, famous rubies, gem identification, corundum, gemstone qualityIn this episode, Simon and Lucinda delve into the captivating world of rubies, exploring their significance as July's birthstone, the science behind their colour and quality, and the various localities where they are found. They discuss the testing and identification of rubies, the treatments that enhance their appearance, and the rise of synthetic rubies in the market. The conversation also touches on famous rubies and their stories, providing listeners with a comprehensive understanding of these precious gemstones.Support the show

Send us Fan MailIn this episode, Lucinda and Simon delve into the fascinating world of corundum, exploring sapphires and rubies. They discuss the chemical composition, durability, and popularity of these gemstones, as well as their significance in engagement rings. The conversation also touches on the crystal structure of sapphires, the various colours and trends in the market, and the stories behind famous sapphires like the Logan Sapphire. The hosts emphasise the importance of understanding gemstones and encourage listeners to appreciate their unique qualities.Takeaways:Rubies and sapphires are essentially the same mineral, differing only in color.Corundum is highly durable, making it ideal for engagement rings.Sapphires and rubies have a high Mohs hardness of 9, second only to diamonds.The color of corundum is influenced by trace elements during formation.Montana sapphires are gaining popularity for their unique colors and luster.Famous sapphires like the Logan Sapphire have intriguing histories tied to imperialism and wealth.Understanding the crystal structure of sapphires helps in identifying their quality.Color zoning in sapphires can indicate their natural origin versus synthetic.The market for colored gemstones is shifting towards unique and interesting stones.Appreciating the story and uniqueness of a gemstone can enhance its value beyond monetary worth.keywords: corundum, sapphires, rubies, gemstones, gemmology, engagement rings, durability, crystal structure, varieties, famous sapphiresSupport the show

Send us Fan MailIn this episode of Facet Nation, Lucinda Beeman and Simon Barber delve into the world of gemmology, focusing on the essential skill of observation. They share their personal experiences with gemmology exams, discuss the practical techniques for examining gemstones, and explore the significance of colour, lustre, transparency, and cut in determining a gem's value. The conversation also highlights the importance of inclusions and optical effects in identifying and appreciating gemstones, providing listeners with a comprehensive understanding of the gemmological process.TakeawaysObservation is a key skill for gemmologists.Colour is a major factor in gemstone valuation.Lustre affects the visual appeal of gemstones.Transparency can indicate the quality of a stone.The shape and cut of a gemstone influence its beauty and value.Inclusions can tell a story about a gemstone's origin.Optical effects like Chatoyancy and Adularescence enhance a gem's allure.Using a loupe and proper lighting is essential for gem testing.Understanding diagnostic inclusions aids in gemstone identification.Gemmology combines science with artistry in evaluating stones.TitlesThe Art of Observation in GemmologyUnlocking the Secrets of GemstonesSound bites"We are going to be talking all about observation today.""I had a cry too, I was on the corner of Black Horse Road.""Transparency is basically the question, can you see through it?"Chapters00:00 Introduction and Exam Results02:56 The Practical Gemmologist: Using a Loupe06:01 Light Techniques in Gem Testing08:21 Understanding Transmitted Light11:02 The Importance of Colour in Gemmology15:55 Exploring Lustre in Gemstones21:01 Exploring Gemstone Lusters24:21 Understanding Transparency in Gemstones26:50 The Art of Cutting and Shaping Gemstones38:26 Diving into Inclusions and Internal Features42:33 Diagnostic Inclusions in Gemstones49:02 The Importance of Non-Diagnostic Inclusions49:03 Optical Effects and Their Significance57:24 Future Topics and Closing Thoughtsgemmology, gemstones, observation, lustre, inclusions, gem testing, color, transparency, shape, cutSupport the show

Send us Fan MailSummary:In this episode of Facet Nation, Simon and Lucinda delve into the practical side of gemmology, focusing on the essential tools every gemologist should have in their toolkit. They discuss the importance of various instruments, how to use them effectively, and the differences between testing in a real-world setting versus an exam environment. The conversation covers everything from basic tools like tweezers and loupes to advanced instruments like refractometers and spectroscopes, providing insights into the art and science of gem identification.TakeawaysThe practical side of gemmology can be fun and interesting.Having the right tools is essential for gemmologists.Light plays a crucial role in gem testing.Tweezers are important for handling stones safely.A loupe is a fundamental tool for gemmologists.The refractometer is key for identifying gemstones.Spectroscopes can provide diagnostic information about stones.A Dichroscope can help in understanding pleochroism in gems.The Chelsea colour filter is useful for distinguishing certain stones.Fluorescence can help identify natural versus synthetic stones.Unlocking the Secrets of GemmologyEssential Tools Every Gemmologist Needs"You need to be a thorough detective.""Fluorescence is how we identify them.""You can literally lose so much time."gemmology, gemmologist tools, practical gemmology, gem testing, gem identification, gem instruments, gemmology education, gemmology podcast, gem tools, gem analysis, gemology, gemologistSupport the show

Send us Fan MailSo you wanna be a gemmologist? Or you just wanna know if granny's jewellery box is worth taking down the pawn shop? You're in the right place. In the first Facet Nation episode, you'll meet fellow gemstone obsessives Lucinda and Simon. Get the inside scoop on Gem-A and the jewellery industry at large and attempt to answer the eternal question; WTAF is gemmology?SummaryIn the inaugural episode of Facet Nation, hosts Lucinda Beeman and Simon Barber delve into the world of gemmology, sharing their personal journeys and experiences in the field. They discuss the importance of understanding gemstones for confident buying and selling, the defining characteristics of gems, and the educational paths to becoming a gemmologist. The conversation also touches on the community of gem lovers, the significance of cut in gemstones, and their favourite gems, all while aiming to entertain and educate listeners about the fascinating world of gems.TakeawaysGemmology empowers you to make confident choices when buying gemstones.Understanding the attributes of gems includes beauty, rarity, and durability.The journey to becoming a gemmologist involves rigorous study and passion for gems.Cut quality is crucial in determining the value and beauty of a gemstone.Emeralds, while beautiful, are not practical for everyday wear due to their durability issues.The gem community is welcoming and eager to share knowledge and experiences.Favourite gemstones often reflect personal preferences and unique qualities.Gemmology offers various career paths, from valuation to gemstone mining.The podcast aims to educate and entertain listeners about gems and gemmology.Engaging with the gem community can enhance your knowledge and appreciation of gemstones.What is a Gem? Exploring the World of GemmologyThe Journey to Becoming a Gemmologist"It's a journey of studying gems.""I just love gems.""What is a gem?"gemmology, gemstones, gemmologist, jewellery, gem buying, gem selling, gem education, gem community, gem attributes, gem careers, gemology, gemologistSupport the show