17. Nov IGC 2025 Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite Elizabeth Su Download Pdf Jade
17. Nov IGC 2025 Geographic Origin Determination of Natural Yellow Sapphires: The Preliminary Study Determining the geographic origin of yellow sapphires plays a critical role in the gem trade, as ori Read More Laurent Cartier
17. Nov IGC 2025 Typomorphic features of tourmalines of the Malkhan pegmatite field from the Irkutyanka vein A.Y. Shelementyeva, Y.B. Shelementyev, O.V. Yarapova Download Pdf Read More Elodie
17. Nov IGC 2025 Rubies from Greenland Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones. Read More Laurent Cartier