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HomeIGC 2025Shining light on “480 nm band” diamonds: Gemmological characteristics of an unusual group of diamonds with yellow and red luminescence
17. Nov
IGC 2025

Shining light on “480 nm band” diamonds: Gemmological characteristics of an unusual group of diamonds with yellow and red luminescence

Marleen Bouman and Jelena Zarupski

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DiamondGemmology
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
Typomorphic features of tourmalines of the Malkhan pegmatite field from the Irkutyanka vein

A.Y. Shelementyeva, Y.B. Shelementyev, O.V. Yarapova Download Pdf

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Elodie
17. Nov
IGC 2025
Zoisite and its many color

The mineral zoisite is a calcium alumosilicate belonging to the class of silicates, more exactly sor

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Elodie

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