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HomeIGC 2025Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique
01. Nov
IGC 2025

Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique

Niels Ruddy Hansen

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Pearl
24. Oct
IGC 2025
Cross-Cultural Provenance and Characterization of Turquoise Artefacts: A Multi-Analytical Non-Destructive Study of Reshui Tomb Cluster, China (744 AD) and Tepeh Zagheh, Iran (5200–4200 BCE)

Turquoise has long held considerable cultural, economic, and symbolic significance across ancient ci

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Elodie
01. Nov
IGC 2025
Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market

The detection of treatments in ruby and sapphire remains a critical aspect and has become an increas

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Laurent Cartier
01. 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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Diamond Emerald Gemmology Geochemistry IGC Jade Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Treatments

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