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HomeIGC 2025Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite
17. Nov
IGC 2025

Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite

Elizabeth Su

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Jade
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
17. Nov
IGC 2025
Shining light on “480 nm band” diamonds: Gemmological characteristics of an unusual group of diamonds with yellow and red luminescence

Fancy colour diamonds that derive their colour from nitro- gen-related defects (such as N3/N2 center

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Elodie
17. Nov
IGC 2025
Novel cultured pearls with ceramic nucleus and possible cause of their strong luster

Cultured pearls with a ceramic nucleus (bead) represent a new type of saltwater cultured pearls that

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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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