AGTA GTC Lab Hires Three Gemological All-Stars

The American Gem Trade Association's Gemological Testing Center laboratory has hired three internationally acclaimed gemologists: Dr. Lore Kiefert, formerly of the Swiss Gemmological Institute laboratory; Richard W. Hughes, noted sapphire author and enhancement expert formerly with Pala International; and John I. Koivula, GIA's noted inclusions expert, author, and former chief gemologist. The three join laboratory director Ken Scarratt, also a highly regarded gemologist. Scarratt was instrumental in uncovering the beryllium treatment of "padparadscha-like" diffusion-treated sapphires and was first to notice the newest and most unusual heat treatment from Sri Lanka. AGTA executive director Doug Hucker cites "tremendous growth in demand for the services of the AGTA [GTC]," as the reason for expanding the lab's staff. This increasing demand "required a greater capacity to examine and re
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