Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market
Supparat Promwongnan, Wilawan Atichat, Cheewaporn Suphan, Wassana Chongraktrakul, and Visut Pisutha-Arnond
Gems in Greece: Geology, mineralogy and crystallizing environment
In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamo
