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HomeIGC 2025Low Temperature Heat Treatment of Madagascar Sapphire
17. Nov
IGC 2025

Low Temperature Heat Treatment of Madagascar Sapphire

E. Billie Hughes and Rosey Perkins

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SapphireTreatments
17. Nov
IGC 2025
Amber from the Thanbaya Gaing Coal Mine, Minbu Township, Magwe Region, Myanmar

Amber was recently discovered by local coal miners at the Thanbaya Gaing Coal mine located 6.5 km no

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Laurent Cartier
17. Nov
IGC 2025
Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite

Purple jadeite, renowned for its distinctive purple hues and rich cultural connotations, is highly a

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Elodie
17. Nov
IGC 2025
Studying renowned fancy color diamonds in museum collections: the case of the Winston Red

Museums are unique repositories of international treasures. They are also places of active research,

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Elodie

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Age dating Diamond Emerald Gemmology Geochemistry IGC Jade Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Treatments

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