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James E. Shigley, Emmanuel Fritsch, John I. Koivula, Nikolai V. Sobolev, Igor Y. Malinovsky, and Yuri N. Pal'yanov
Heat Treating the Sapphires of Rock Creek, Montana
John L. Emmett and Troy R. Douthit
Garnets from Altay, China
Fuquan Wang and Yan Liu
Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).
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