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HomeIGC 2025Rubies from Greenland
01. Nov
IGC 2025

Rubies from Greenland

Vincent Pardieu

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Ruby
01. 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
24. Oct
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
01. 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

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

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