17. Nov IGC 2025 Morphologies and Surface Features of Diamond Samples from Southern Thailand Somruedee Sakkaravej, Thanapong Lhuaamporn, Pantaree Lomthong, Wilawan Atichat and Pornsawat Wathanakul Download Pdf DiamondOrigins
17. Nov IGC 2025 An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab Emerald is the green variety of beryl, with its distinctive color resulting from trace amounts of ch Read More Elodie
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 Pink-orange gem quality euclase from Bahia, Brazil Euclase, monoclinic crystal system—is a seldomly occurring mineral and with a Mohs hardness of 7 a Read More Elodie