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

A Photo Survey of Inclusions in Fossiliferous Amber

Nathan Renfro

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Other Gemstones
17. Nov
IGC 2025
Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite

Purple jadeite, renowned for its distinctive purple hues and rich cultural connotations, is highly a

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

Over the past several years, the market for pink-coloured rose quartz has been augmented by variants

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

Most of the spinels are found in shades of red to purple. Colourless, green and cobalt bearing varie

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Elodie

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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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