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Dona M. Dirlam, Elise B. Misiorowski, Juli L. Cook, and Robert Weldon
The Gujar Killi Emerald Deposit, Northwest Frontier Province, Pakistan
Gary W. Bowersox and Jawaid Anwar
"Opalite": Plastic Imitation Opal with True Play-of-Color
John I. Koivula and Robert C. Kammerling
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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