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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
Identification of melee size synthetic coloured diamond for jewellery

Synthesis methods to produce large and high-quality dia- mond for jewellery have been improved over

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Laurent Cartier
17. Nov
IGC 2025
Morphologies and Surface Features of Diamond Samples from Southern Thailand

In 1955, the first report on Thai diamond was made by Dr. Payome Aranyakanon, a renowned tin explora

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Laurent Cartier
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

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