Book by Rui Galopim De Carvalho

GEMPEDIA, A Comprehensive Glossary for Gemstones and Gemmology GEMPEDIA is a compendium of more than 7,300 terms and definitions gathered over decades by Rui Galopim de Carvalho FGA DGA, a renowned professional gemmologist and consultant with over 30 years of experience within the gems and jewellery trade in gem testing, education and science communication.