Aquamarine & Co | Colour Mechanisms and Enhancements in the Beryl Group
In this fascinating talk, Dr. Tom Stephan from the German Gemmological Society asks how do different chromophores influence each other, and how can their colours be modified by artificial enhancements?
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Gem-A Live: Understanding Gemstone Species and Varieties
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Tourmaline as a Gemstone
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Heat Treating Montana Sapphire
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Gem-A Live: Flux-healed Ruby
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Supernova Remnants Should Fade Away. So Why are Some Flashing?
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The World's Most Important Machine
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Gemmological Discoveries at the French Museum of Natural History
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Bringing Gemology into Gemcutting
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Superconductors! (Quirky Quantum, Prof. Martin Greven)
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Thus Spoke the Stone
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Making Opals from Dirt
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The Most Important Conversation in AI Right Now
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Gem-A Live: In Discussion with Brendan Laurs, Volume 37, No.3
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Gem A Live: In discussion with... the editor | 7 July 2021
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Gem-A Education: How to use the refractometer
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The analytical challenges in testing melee-sized diamonds and coloured stones
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Gemstone Value Explained Part 2: Rarity/treatment/provenance/demand- Colored gem intangibles(2019)
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Rich Sutton, The OaK Architecture: A Vision of SuperIntelligence from Experience - RLC 2025
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Crown First or Pavilion First? Let the Battle Begin
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