Padparadscha Sapphire & heat treatment
Stephen Kennedy
Morphologies and Surface Features of Diamond Samples from Southern Thailand
In 1955, the first report on Thai diamond was made by Dr. Payome Aranyakanon, a renowned tin explora
Gems in Hellenistic and Roman Jewellery of Northern Greece: An investigation from the Collections of the Archaeological Museum of Thessaloniki, Greece
This study presents the results of an interdisciplinary archaeogemological investigation focusing on
Rubies from Greenland
Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones.