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
Bertrandite in Emeralds
Over the past few years we have been seeing more and more lower quality stones in the lab. The reaso
Study of “amethysts” from the French Crown Jewels
Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo
