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  • Spring 2006

Spring 2006

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The PDF version of this issue is available at no charge. Visit www.gia.edu
"ParaÌba"-type Copper-bearing Tourmaline from Brazil, Nigeria, and Mozambique: Chemical Fingerprinting by LA-ICP-MS
Ahmadjan Abduriyim, Hiroshi Kitawaki, Masashi Furuya, and Dietmar Schwarz

Identification and Durability of Lead Glass-Filled Rubies
Shane F. McClure, Christopher P. Smith, Wuyi Wang, and Matthew Hall

The Characterization of Tortoise Shell and Its Imitations
Thomas Hainschwang and Laurence Leggio

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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SKU: 06sp