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HomeIGC 2025On the nature of blue rose quartz
17. Nov
IGC 2025

On the nature of blue rose quartz

Karen E. Fox, Andrew M. McDonald, Chris Yakymchuk
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Other Gemstones
17. Nov
IGC 2025
HFSE-enriched sapphires of gem quality: A combined FTIR and trace element study and implications for heat treatment detection

Gem-quality sapphires containing ‘exotic’ elements such as Sn, Nb, Zr, Ta, W, are of special int

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Elodie
17. Nov
IGC 2025
Rubies from Greenland

Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones.

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Laurent Cartier
17. Nov
IGC 2025
Novel cultured pearls with ceramic nucleus and possible cause of their strong luster

Cultured pearls with a ceramic nucleus (bead) represent a new type of saltwater cultured pearls that

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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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