17. Nov IGC 2025 History of Garnet Mining and Cutting in the Austro-Hungarian Monarchy Karl Schmetzer Download Pdf GemmologyOther Gemstones
17. Nov IGC 2025 Gems in Hellenistic and Roman Jewellery of Northern Greece: An investigation from the Collections of the Archaeological Museum of Thessaloniki, Greece This study presents the results of an interdisciplinary archaeogemological investigation focusing on Read More 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 Read More Laurent Cartier
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 Read More Elodie