PODCAST · science
The Gem Show
by Julia Griffith
Made for gemmologists. Sharing stories that help us understand the world of gems and gemmology.
Episodes
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004 - Lab-grown diamonds that test as synthetic moissanite
Some near-colourless HPHT lab-grown diamonds have electrical conductivity and so will test as the diamond imitation "synthetic moissanite" instead of diamond using a number of diamond testers. At this period of time... this is not common knowledge so come learn all about it on this podcast episode.
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003 - Diffusion confusion
There is lots to learn about diffusion treatments in corundum and one thing that does not help matters is the terminology that is used; surface diffusion, lattice diffusion, bulk diffusion? In this week episode Julia discusses these terms and why she uses none of them.
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002 - Mining ancient riverbed deposits in The Gemfields, Australia
In this episode, we focus on the The Sapphire Gemfields of Queensland, Australia, and also discuss the extraordinary depths of ancient riverbeds deposits as well as the processes of mining these sapphires.
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001 - HPHT diamond synthesis and the importance of pyrophyllite
Have you ever wondered how so much pressure can be applied to the reaction cell in HPHT diamond synthesis? I did... In this first ever episode of The Gem Show, we explore the importance of pyrophyllite in the HPHT diamond synthesis process... and how this throws into question the marketing of…
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Frequently Asked Questions
How many episodes does The Gem Show have?
The Gem Show currently has 5 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is The Gem Show about?
Made for gemmologists. Sharing stories that help us understand the world of gems and gemmology.
How often does The Gem Show release new episodes?
The Gem Show has 5 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to The Gem Show?
You can listen to The Gem Show on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts The Gem Show?
The Gem Show is created and hosted by Julia Griffith.
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