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HomeIGC 2025History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy
17. Nov
IGC 2025

History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy

Karl Schmetzer

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GemmologyOther Gemstones
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
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
17. Nov
IGC 2025
HFSE-enriched sapphires of gem quality: A combined FTIR and trace element study and implications for heat treatment detection

Gem-quality sapphires containing ‘exotic’ elements such as Sn, Nb, Zr, Ta, W, are of special int

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Elodie

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