Winter 1999
- $15.00
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Classifying Emerald Clarity Enhancement at the GIA Gem Trade Laboratory
Shane F. McClure, Thomas M. Moses, Maha Tannous, and John I. Koivula
Clues to the Process Used by General Electric to Enhance the GE POL Diamonds
Karl Schmetzer
Diopside Needles as Inclusions in Demantoid Garnet from Russia: A Raman Microspectrometric Study
Michael S. Krzemnicki
Garnets from Madagascar with a Color Change of Blue-Green to Purple
Karl Schmetzer and Heinz-J¸rgen Bernhardt
Shane F. McClure, Thomas M. Moses, Maha Tannous, and John I. Koivula
Clues to the Process Used by General Electric to Enhance the GE POL Diamonds
Karl Schmetzer
Diopside Needles as Inclusions in Demantoid Garnet from Russia: A Raman Microspectrometric Study
Michael S. Krzemnicki
Garnets from Madagascar with a Color Change of Blue-Green to Purple
Karl Schmetzer and Heinz-J¸rgen Bernhardt
1999 Annual Index
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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