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 Maria Nikopoulou, Stefanos Karampelas, Evangelia Tsangaraki, Lambrini Papadopoulou, Christos Katsifas, Ioannis Nazlis, Vasilios Melfos and Nikolaos Kantiranis Download Pdf Gemmology
17. Nov IGC 2025 Gem zircon and sapphire age dating and application of origin determination: A study from New England sapphire fields, New South Wales, Australia Ahmadjan Abduryim, Frederick Lin Sutherland, Terry Coldham, Elena Belousova Download Pdf Read More Laurent Cartier
17. Nov IGC 2025 Automated Data Processing of Raman Spectra for Supporting Spinel Origin Determination pinel is a highly valued gemstone, with its color and quality influenced by trace-element chemistry Read More Laurent Cartier
17. Nov IGC 2025 Found, Lost, and Found Again: The Geological and Gemological Significance of the Salininha Emerald Deposit, Brazil The Salininha emerald deposit located in the municipality of Pilão Arcado, Bahia State, represents Read More Elodie