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HomeIGC 2025Application of Fibre Optics Reflectance Spectroscopy (FORS) for the determination of mineral pigments in jasper
17. Nov
IGC 2025

Application of Fibre Optics Reflectance Spectroscopy (FORS) for the determination of mineral pigments in jasper

Ulrich Henn

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OriginsOther 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
Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market

The detection of treatments in ruby and sapphire remains a critical aspect and has become an increas

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Laurent Cartier
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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