Trade Alert: Flux grown synthetic red spinels again on the market

Posted on November 1, 2008 by Dr. Michael S. Krzemnicki, gemlab@ssef.ch SSEF Newsletter October 2008: Swiss Gemmological Institute, Basel, Switzerland

During and after the Hong Kong Jewellery Fair in September the SSEF Swiss Gemmological Institute received several red spinels for testing, which were found to be flux synthetic spinels. These spinels apparently have been offered…

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