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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
Gem zircon and sapphire age dating and application of origin determination: A study from New England sapphire fields, New South Wales, Australia

Ahmadjan Abduryim, Frederick Lin Sutherland, Terry Coldham, Elena Belousova Download Pdf

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Laurent Cartier
17. Nov
IGC 2025
Effects of Gamma Irradiation on Corundum: Towards a Potential Detection Method

Corundum, encompassing the highly prized ruby and sapphire varieties, stands as a cornerstone of the

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Elodie
17. Nov
IGC 2025
Diamonds from Than Lwin River near Mong Hsu, Myanmar

Sixteen rough diamonds were acquired in 2023 by co-author TTS from a gem dealer linked to Mong Hsu,

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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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