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HomeIGC 2025Low Temperature Heat Treatment of Madagascar Sapphire
17. Nov
IGC 2025

Low Temperature Heat Treatment of Madagascar Sapphire

E. Billie Hughes and Rosey Perkins

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SapphireTreatments
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
The Importance and Methodology of Undertaking a Literature Search for Gemmological Research and Article Publishing

Performing a literature search is a very important—but often neglected—part of doing gemmologica

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Elodie
17. Nov
IGC 2025
Typomorphic features of tourmalines of the Malkhan pegmatite field from the Irkutyanka vein

A.Y. Shelementyeva, Y.B. Shelementyev, O.V. Yarapova Download Pdf

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Elodie

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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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