17. Nov IGC 2025 A Photo Survey of Inclusions in Fossiliferous Amber Nathan Renfro Download Pdf Other Gemstones
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 Read More Laurent Cartier
17. Nov IGC 2025 Noble gas in corundum: interests in gemology Noble gases —elements of the last column of the periodic table—are chemically defined by their f Read More Elodie
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
