Gemology Books Websites
Gemology World – Canadian Institute of Gemmology
Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.
8,581,829
$
240.00
Home - Secrets of the Gem Trade
Secrets of the gem trade; the connoisseur's guide to precious gemstones by Richard W. Wise
3,348,944
$
480.00
