The Hänni Hat Trick

Dr. Henry H. Hänni, director of the Swiss Gemmological Institute (SSEF) in Basel, Switzerland, has performed the gemological equivalent of a hat trick this month: He's a three-time newsmaker, having developed a quick beryllium diffusion identification, solved the mystery of the new Sri Lankan blues, and taken top honors with AGA's Bonanno Award for Excellence. Beryllium ID. "Due to a new and highly sensitive beryllium detection system," Hänni claims SSEF now can offer a fast and safe detection of beryllium-diffusion-treated corundum, and at low cost. "We are also prepared to handle large quantities of yellow, and orange sapphires in a very short time," writes Hänni. SSEF will demonstrate its new service at jewelry shows in New York, Bangkok, and Tokyo during on-site testing in 2004. Hänni reports that this new testing method will differentiate older yellow sapphires, padparadscha
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