A regular at AGA conferences, GIA’s Shane McClure will be talking about “Detecting Heat Treatment Levels in Corundum.” McClure, a recipient of the Antonio C. Bonanno Award for Excellence in Gemology (2007), will tell how low-temperature treatments are now being detected and what to look for at each temperature range for corundum. Mozambique rubies and basaltic blue sapphires are among those being revisited with this new information.
Dr Thomas Hainschwang, of GGTL Laboratories of Liechtenstein, also a recipient of the Antonio C. Bonanno Award for Excellence in Gemology (2015), will offer a research grant update and report on current results from a major diamond research project, funded in part by an AGA research grant. He will speak about the cause of color determination, pre and post-treatment observations and cataloguing properties of some of the world’s important diamonds.
Dror Yehuda is a third generation diamantaire. His father, Zvi Yehuda, is a world-famous scientist who introduced numerous revolutionized inventions into the diamond and jeweler industry. Dror will address synthetic diamond detection and tell participants about the development of the Sherlock Holmes Detector, a tabletop machine that quickly reveals HTHP and CVD synthetics. He will also allow attendees a hands-on opportunity with “SHERLOCK” and, in addition, provide an update on the state of clarity-enhanced diamonds and their pricing.
NewsSource: IdexOnline
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