Facet Nation: A Gemmology Podcast

39. Season 2 Preview and Summer Catch Up

Send us Fan Mail In this mini episode, Simon shares his summer adventures including gem mining in Oregon, visiting the Spectrum Sunstone Mine, and participating in gemmo

38. End of Season 1: Fashioning Part Two - Gemstone faceting techniques

Send us Fan Mail This episode explores the intricate process of diamond manufacturing, from designing and marking to shaping, faceting, and polishing. Hosted by gemmolog

37. Gemstone Fashioning Part One: An Overview for Gemmology Study

Send us Fan Mail In this episode, Lucinda and Simon explore the fascinating world of gemstone cutting and fashioning, covering essential terminology, techniques, and his

36. Interview: Michelle Mai - Cutting and Designing Gemstones

Send us Fan Mail Join Lucinda, Simon, and Michelle Mai as they explore the art and science of precision gem cutting. Discover techniques, tools, design principles, and t

35. Tourmaline Part II: The King of Tourmaline...?

Send us Fan Mail In this episode of FacetNation, Simon and Lucinda delve into the fascinating world of tourmaline, particularly focusing on its significance in San Diego

34. Gemstone Colour: Charge Transfer and Colour Centres

Send us Fan Mail Explore the fascinating science of gemstone colour, focusing on charge transfer mechanisms, the role of ions, and how treatments like heat affect gemsto

33. Tourmaline Part One: Conquistadors and the party where everyone's invited

Send us Fan Mail Join us as we explore the fascinating world of tourmaline, its formation, varieties, and historical significance, with insights from gemmologists Lucind

32. Causes of Gemstone Colour: Dispersed Metal Ions

Send us Fan Mail This episode explores the science behind gemstone colours, focusing on dispersed metal ions, valency states, atomic environments, and their effects on c

31. Interview: Ian Dun FGAA FGSGA, Federal President Gemmological Association of Australia

Send us Fan Mail This week we are joined by Ian Dun, president of the Gemological Association of Australia. Discover insights into gemstone grading, Australian gemstones

30. Colour: Physical Optics and Colour Phenomena

Send us Fan Mail Explore the fascinating world of physical optics in gemstones, focusing on iridescence, thin film interference, and the science behind colour phenomena

29: Organics: Coral. Don't bleach it! Or Maybe you should.

Send us Fan Mail This episode explores the fascinating world of coral, its history, types, and significance in gemmology. Hosted by Simon and Lucinda, it covers everythi

28. Colour: Pleochroism and Colour Filter Gem testing

Send us Fan Mail In this episode, Lucinda and Simon explore the fascinating world of gemmology instruments, focusing on colour filters like the Chelsea colour filter and

27. Jadeite: A Cultural Icon

Send us Fan Mail This episode explores the fascinating world of jadeite, covering its geology, colours, treatments, cultural significance, and the latest gemological ins

26. Interview: Andrew Geoghegan - Jewellery Design, Branding and Keeping it Real

Send us Fan Mail Join us as we explore the journey of jewellery designer Andrew Geoghegan, from childhood fascination with treasure to creating innovative collections in

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 fascin

24. Colour: The Spectroscope and Selective Absorption in Gems

Send us Fan Mail In this episode of Facet Nation, Simon and Lucinda delve into the fascinating world of gemmology, focusing on the spectroscope and its critical role in

23. Colour: An introduction

Send us Fan Mail In this episode of the Facet nation gemmology podcast, Lucinda and Simon explore the intricate world of colour in gemstones. They discuss the significan

22. Interview: Justin Prim - gemcutter, author, teacher and historian

Send us Fan Mail In this episode of Facet Nation, hosts Lucinda and Simon welcome gem cutter Justin K Prim, who shares his fascinating journey from music to gemmology. J

21. Interview: Jeff Hapeman, Earth's Treasury. Montana Sapphires and more

Send us Fan Mail In this episode of Facet Nation, hosts Lucinda and Simon interview Jeff Hapeman, owner of Earth's Treasury, who shares his unique journey from acad

20. The Refractometer: Gem testing and how it works

Send us Fan Mail In this episode of Facet Nation, Simon and Lucinda delve into the intricacies of the refractometer, a crucial tool for gemmologists. They discuss its im