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HomeIGC 2025Diamonds from Than Lwin River near Mong Hsu, Myanmar
17. Nov
IGC 2025

Diamonds from Than Lwin River near Mong Hsu, Myanmar

Hui Ying Loke, Lee Cheang Hao Timothy, Htay Nyunt, Tin Nyunt Thet, Sellou Linda, Thye Sun Tay
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Diamond
17. Nov
IGC 2025
Cross-Cultural Provenance and Characterization of Turquoise Artefacts: A Multi-Analytical Non-Destructive Study of Reshui Tomb Cluster, China (744 AD) and Tepeh Zagheh, Iran (5200–4200 BCE)

Turquoise has long held considerable cultural, economic, and symbolic significance across ancient ci

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Elodie
17. Nov
IGC 2025
Bertrandite in Emeralds

Over the past few years we have been seeing more and more lower quality stones in the lab. The reaso

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Laurent Cartier
17. Nov
IGC 2025
Gems in Hellenistic and Roman Jewellery of Northern Greece: An investigation from the Collections of the Archaeological Museum of Thessaloniki, Greece

This study presents the results of an interdisciplinary archaeogemological investigation focusing on

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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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