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Synthetic Rubies by Douros: A New Challenge for Gemologists
Henry A. Hanni, Karl Schmetzer, and Heinz-Jergen Bernhardt
Emeralds from the Mananjary Region, Madagascar: Internal Features
Synthetic Forsterite and Synthetic Peridot
Update on Mining Rubies and Fancy Sapphires in Northern Vietnam
Robert C. Kammerling, Alice S. Keller, Kenneth V. Scarratt, and Saverio Repetto
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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