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John I. Koivula
Poudretteite: A Rare Gem Species from the Mogok Valley
Christopher P. Smith, George Bosshart, Stefan Graeser, Henry Hanni, Detlef Günther, Kathrin Hametner, and Edward J. Gübelin
The First Transparent Faceted Grandidierite, from Sri Lanka
Karl Schmetzer, Murray Burford, Lore Kiefert, and Heinz-Jürgen Bernhardt
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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