Facet Nation: A Gemmology Podcast
Facet Nation
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About This Podcast
Facet Nation is a new kind of gemmology podcast. Rigorous enough for serious students, but fascinating and funny enough for anyone craving an inside look at gemstones, jewellery and the shadowy world surrounding them. Part revision aide, part storytime, Lucinda and Simon are your qualified guides to the world’s most ancient treasures.
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Recent Episodes
S1E38 38. End of Season 1: Fashioning Part Two - Gemstone faceting techniques
Send us Fan MailThis episode explores the intricate process of diamond manufacturing, from designing and marking to shaping, faceting, and polishing. Hosted by gemmologists Simon and Lucinda, it…
S1E37 37. Gemstone Fashioning Part One: An Overview for Gemmology Study
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…
S1E36 36. Interview: Michelle Mai - Cutting and Designing Gemstones
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…
S1E35 35. Tourmaline Part II: The King of Tourmaline...?
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…
S1E34 34. Gemstone Colour: Charge Transfer and Colour Centres
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…
S1E33 33. Tourmaline Part One: Conquistadors and the party where everyone's invited
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…
S1E32 32. Causes of Gemstone Colour: Dispersed Metal Ions
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…
S1E31 31. Interview: Ian Dun FGAA FGSGA, Federal President Gemmological Association of Australia
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…
S1E30 30. Colour: Physical Optics and Colour Phenomena
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…
S1E29 29: Organics: Coral. Don't bleach it! Or Maybe you should.
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…
S1E28 28. Colour: Pleochroism and Colour Filter Gem testing
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.…
S1E27 27. Jadeite: A Cultural Icon
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…
S1E26 26. Interview: Andrew Geoghegan - Jewellery Design, Branding and Keeping it Real
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.…
S1E25 25. Interview: Wim Vertriest - GIA Field Gemmology, Gem Identification and Mozambique Rubies
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…
S1E24 24. Colour: The Spectroscope and Selective Absorption in Gems
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…
S1E23 23. Colour: An introduction
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…
S1E22 22. Interview: Justin Prim - gemcutter, author, teacher and historian
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…
S1E21 21. Interview: Jeff Hapeman, Earth's Treasury. Montana Sapphires and more
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…
S1E20 20. The Refractometer: Gem testing and how it works
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…
S1E19 19. Gemmology Exam Preparation: What to expect
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…
Frequently Asked Questions
Facet Nation: A Gemmology Podcast has published 38 episodes since September 2025, covering topics in Business, Education.
Facet Nation: A Gemmology Podcast is currently active with new episodes weekly. Average episode length is 49m.
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