Effects of Gamma Irradiation on Corundum: Towards a Potential Detection Method
Hao A.O. Wang, Markus Wälle, Vladimir Hutanu, Xiaosong Li, Michael S. Krzemnicki
Bertrandite in Emeralds
Over the past few years we have been seeing more and more lower quality stones in the lab. The reaso
Gemological Characteristics of New Transparent Brown Sapphire
A newly observed variety of faceted transparent brown sapphire has recently entered the gem market,