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

On the nature of blue rose quartz

Karen E. Fox, Andrew M. McDonald, Chris Yakymchuk
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Other Gemstones
17. Nov
IGC 2025
Found, Lost, and Found Again: The Geological and Gemological Significance of the Salininha Emerald Deposit, Brazil

The Salininha emerald deposit located in the municipality of Pilão Arcado, Bahia State, represents

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Elodie
17. Nov
IGC 2025
Identification of melee size synthetic coloured diamond for jewellery

Synthesis methods to produce large and high-quality dia- mond for jewellery have been improved over

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Laurent Cartier
17. Nov
IGC 2025
Advancing Fei Cui Origin Authentication: A comparison of green fei cui from Myanmar, Guatemala, Italy and Russia

In recent years, an increasing number of sources of fei cui, such as Guatemala, Italy and Russia, ha

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Elodie

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