Rubies and Fancy Sapphires from Vietnam
Robert E. Kane, Shane F. McClure, Robert C. Kammerling, Nguyen Dang Khoa, Carlo Mora, Saverio Repetto, Nguyen Duc Khai, and John I. Koivula
New Rubies from the Morogoro Area, Tanzania
H. A. Hanni and K. Schmetzer
Bohemian Garnet — Today
Jochen Schlüter and Wolfgang Weitschat
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