Polynesian Black Pearls
Marisa Goebel and Dona Mary Dirlam
The Capoeirana Emerald Deposit Near Nova Era, Minas Gerais, Brazil
David Stanley Epstein
The Growth of Brazil-Twinned Synthetic Quartz and the Potential for Synthetic Amethyst Twinned on the Brazil Law
John I. Koivula and Emmanuel Fritsch
Thermal Alteration of Inclusions in "Rutilated" Topaz
Robert C. Kammerling and John I. Koivula
Chicken-Blood Stone from China
Wang Fuquan and Guo Jingfeng
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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