Shining light on “480 nm band” diamonds: Gemmological characteristics of an unusual group of diamonds with yellow and red luminescence
Marleen Bouman and Jelena Zarupski
Gems in Greece: Geology, mineralogy and crystallizing environment
In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamo
Challenges in the Detection of Ruby and Sapphire Treatment in the Thai Market
The detection of treatments in ruby and sapphire remains a critical aspect and has become an increas