Heated Sapphire: A Hot Topic in Tucson

At AGTA's GemFair, seminars and panel discussions devoted to the corundum market will include ruby mining in Pakistan and Afghanistan, issues surrounding the origin of corundum, practices regarding the disclosure of enhancements and treatments, and the current scientific research on new treatments. The schedule of events, all of which will be held at the Tucson Convention Center, includes: Wednesday, Feb. 5, "AGTA Gemological Testing Center Update" with lab director Kenneth Scarratt. Thursday, Feb. 6, "High-Altitude Ruby Mines" and "Gems of Afghanistan and Pakistan" with Guy Clutterbuck. "Clearing the Air on Disclosure: From Beryllium to Tanzanite" will be presented by AGTA executive director Douglas Hucker. Friday, Feb. 7, "Beryllium Diffusion Coloration of Sapphire," a panel discussion with Ken Scarratt, Terry Coldham of Sapphex, John Emm
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