17. Nov IGC 2025 Gems in Greece: Geology, mineralogy and crystallizing environment Panagiotis Voudouris, Stefanos Karampelas, Vasilios Melfos Download Pdf Gemmology
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 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 Studying renowned fancy color diamonds in museum collections: the case of the Winston Red Museums are unique repositories of international treasures. They are also places of active research, Read More Elodie