08/01/2016 Q&A – GRS forges solid path in gem treatment detectionShareEmailTwitterFacebookGoogle +PinterestTumblrLinkedinVkontakte Authors: Adolf Peretti Published in: Jewellery News Asia – January 2016Download Publication 08/01/2016 Emerald, PDF, Perettiite, Rare Minerals, Ruby, Sapphire, Spinel, Synthetics, Various
