Book Review – Gem Testing Techniques

Posted on August 31, 2015 by Reviewed by Stuart M. Robertson, GG (GIA)

Gem Testing Techniques By Alan Hodgkinson Published by Valerie Hodgkinson First printing limited edition 1,000 copies 552 full color pages £128 in the UK, higher elsewhere www.gemtestingtechniques.co.uk   On a Friday in early May, Alan Hodgkinson unveiled his much anticipated book Gem…

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