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. H‰nni and K. Schmetzer
Jochen Schl¸ter and Wolfgang Weitschat
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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