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HomeIGC 2025Identification of melee size synthetic coloured diamond for jewellery
17. Nov
IGC 2025

Identification of melee size synthetic coloured diamond for jewellery

Kentaro Emori, Hiroshi Kitawaki, Mio Hisanaga, Masahiro Yamamoto

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Diamond
17. Nov
IGC 2025
Pink-orange gem quality euclase from Bahia, Brazil

Euclase, monoclinic crystal system—is a seldomly occurring mineral and with a Mohs hardness of 7 a

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Elodie
17. Nov
IGC 2025
Fe-Ti charge transfers: A comprehensive review and its applications to minerals and gems

The iron-titanium charge transfer (Fe-Ti CT) is mentioned in numerous articles as the source of the

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

Bohemian garnets, i.e., chromium-bearing pyropes, are found in several jewellery pieces from the Mig

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Laurent Cartier

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