Separating Natural and Synthetic Rubies on the Basis of Trace-Element Chemistry
Sam Muhlmeister, Emmanuel Fritsch, James E. Shigley, Bertrand Devouard, and Brendan M. Laurs
Raman Investigations on Two Historical Objects from Basel Cathedral: The Reliquary Cross and Dorothy Monstrance
Henry A. Hänni, Benno Schubiger, Lore Kiefert, and Sabine Häberli
Topaz, Aquamarine, and Other Beryls from Klein Spitzkoppe, Namibia
Bruce Cairncross, Ian C. Campbell, and Jan Marten Huizenga
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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