An Update on Filled Diamonds: Identification and Durability
Robert C. Kammerling, Shane F. McClure, Mary L. Johnson, John I. Koivula, Thomas M. Moses, Emmanuel Fritsch, and James E. Shigley
Inclusions of Native Copper and Tenorite in Cuprian-Elbaite Tourmaline from ParaÌba, Brazil
Franz Brandstätter and Gerhard Niedermayr
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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