17. Nov IGC 2025 Diamonds from Than Lwin River near Mong Hsu, Myanmar Hui Ying Loke, Lee Cheang Hao Timothy, Htay Nyunt, Tin Nyunt Thet, Sellou Linda, Thye Sun Tay Download Pdf Diamond
17. Nov IGC 2025 Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities In this study, first results of trace element analyses and various spectrometric investigations on p Read More Laurent Cartier
17. Nov IGC 2025 Fe-Ti charge transfers: A comprehensive review and its applications to minerals and gems The iron-titanium charge transfer (Fe-Ti CT) is mentioned in numerous articles as the source of the Read More Laurent Cartier
17. Nov IGC 2025 Padparadscha Sapphire & heat treatment In 2018 the Padparadscha engagement ring of Princess Eugenie (Figure 1), the niece of the king, gave Read More Laurent Cartier