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HomeIGC 2025Spinel from Sri Lanka – An update
17. Nov
IGC 2025

Spinel from Sri Lanka – An update

Gamini Zoysa, Dietmar Schwarz, Arunas Kleismantas

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Other Gemstones
17. Nov
IGC 2025
A Photo Survey of Inclusions in Fossiliferous Amber

For many, fossiliferous tree resin, primarily amber, gained wide visibility to the public in 1993 wh

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Elodie
17. Nov
IGC 2025
Noble gas in corundum: interests in gemology

Noble gases —elements of the last column of the periodic table—are chemically defined by their f

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Elodie
17. Nov
IGC 2025
Gems in Greece: Geology, mineralogy and crystallizing environment

In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamo

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Laurent Cartier

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Age dating Diamond Emerald Gemmology Geochemistry IGC Jade Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Treatments

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