17. Nov IGC 2025 Color Genesis Analysis and Characteristics for Origin Identification of Purple Jadeite Elizabeth Su Download Pdf Jade
17. Nov IGC 2025 A convincing glass imitation of larimar (pectolite) Larimar, a massive blue variety of the mineral pectolite, belonging to the wollastonite group of min 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
17. Nov IGC 2025 Amber from the Thanbaya Gaing Coal Mine, Minbu Township, Magwe Region, Myanmar Amber was recently discovered by local coal miners at the Thanbaya Gaing Coal mine located 6.5 km no Read More Laurent Cartier