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HomeIGC 2025A convincing glass imitation of larimar (pectolite)
17. Nov
IGC 2025

A convincing glass imitation of larimar (pectolite)

Gagan Choudhary

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

Fancy colour diamonds that derive their colour from nitro- gen-related defects (such as N3/N2 center

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

In this study, first results of trace element analyses and various spectrometric investigations on p

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Laurent Cartier

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