Gem-A releases the latest Journal of Gemmology
London, United Kingdom – May 5, 2015: The Gemmological Association of Great Britain (Gem-A) has released the latest issue of its academic publication, The Journal of Gemmology, in collaboration with the Swiss Gemmological Institute SSEF and with the support of the American Gemological Laboratories (AGL) and the Gem and Jewelry Institute of Thailand (GIT). The …