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

Historic Emeralds and their Geographic Origin: A Retrospective Study

Marie-Laure Cassius-Duranton, Vincent Pardieu, Stefanos Karampelas

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EmeraldGemmologyOrigins
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
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
Rubies from Greenland

Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones.

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Laurent Cartier

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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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