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

Effects of Gamma Irradiation on Corundum: Towards a Potential Detection Method

Hao A.O. Wang, Markus Wälle, Vladimir Hutanu, Xiaosong Li, Michael S. Krzemnicki

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Treatments
17. Nov
IGC 2025
Historic Emeralds and their Geographic Origin: A Retrospective Study

When it comes to the geographic origin of gems, curiously enough, historians sometimes put forward p

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Elodie
17. Nov
IGC 2025
On the nature of blue rose quartz

Over the past several years, the market for pink-coloured rose quartz has been augmented by variants

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

One of the challenges facing gemologists today is the detec- tion of low temperature (below 1200°C)

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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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