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
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