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HomeIGC 2025Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities
17. Nov
IGC 2025

Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities

Michael F. Hügi, Michael S. Krzemnicki, Markus Wälle

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GemmologyGeochemistryOriginsOther Gemstones
17. Nov
IGC 2025
Study of “amethysts” from the French Crown Jewels

Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo

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Laurent Cartier
17. Nov
IGC 2025
Amber from the Thanbaya Gaing Coal Mine, Minbu Township, Magwe Region, Myanmar

Amber was recently discovered by local coal miners at the Thanbaya Gaing Coal mine located 6.5 km no

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Laurent Cartier
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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