01. Nov IGC 2025 Amber from the Thanbaya Gaing Coal Mine, Minbu Township, Magwe Region, Myanmar Tin Nyunt Thet, Thye Sun Tay, Lwin Soe, Lock Cheyenne et Hui Ying Loke Download Pdf Other Gemstones
01. Nov IGC 2025 Shining light on “480 nm band” diamonds: Gemmological characteristics of an unusual group of diamonds with yellow and red luminescence Fancy colour diamonds that derive their colour from nitro- gen-related defects (such as N3/N2 center Read More Elodie
01. Nov IGC 2025 Novel cultured pearls with ceramic nucleus and possible cause of their strong luster Cultured pearls with a ceramic nucleus (bead) represent a new type of saltwater cultured pearls that Read More Laurent Cartier
01. 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