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HomeIGC 2025Spinel from Sri Lanka – An update
17. Nov
IGC 2025

Spinel from Sri Lanka – An update

Gamini Zoysa, Dietmar Schwarz, Arunas Kleismantas

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Other Gemstones
17. Nov
IGC 2025
Geographic Origin Determination of Natural Yellow Sapphires: The Preliminary Study

Determining the geographic origin of yellow sapphires plays a critical role in the gem trade, as ori

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Laurent Cartier
17. Nov
IGC 2025
Hessonite garnet from Angul district of Odisha, India

This study describes hessonite (Fe-bearing variety of grossular garnet), found in the Birlamunda vil

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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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