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Thanong Leelawatanasuk

Thanong Leelawatanasuk
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Blue to purple spinel, including those colored predominately by cobalt (left), iron (right), and a combination of both elements (middle).

The Laboratory Manual Harmonisation Committee (LMHC)

Issue 56 Dr. Michael S. Krzemnicki, Dr Laurent E. Cartier, Claudio C. Milisenda, Kentaro Emori, Shane McClure, Pierre Hardy, Thanong Leelawatanasuk and Antonello Donini -
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InColor magazine is the ICA's quarterly publication, all about colored gemstones. A must read for anyone in the gemstone and jewelry industry, as well as the gem enthusiast. InColor reports on information relating to the gemstone trade, mining, gemology, education, trends, fashion as well as ICA member related issues.
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