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HomeIGC 2025Typomorphic features of tourmalines of the Malkhan pegmatite field from the Irkutyanka vein
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

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Tourmaline
17. Nov
IGC 2025
Automated Data Processing of Raman Spectra for Supporting Spinel Origin Determination

pinel is a highly valued gemstone, with its color and quality influenced by trace-element chemistry

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Laurent Cartier
17. Nov
IGC 2025
Amber and its treatments: A New Baltic Amber Classification Chart

This paper aims to present the history of the modification of Baltic amber (succinite), and particul

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Elodie
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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