Lab Notes Gems & Gemology, Volume 48, No. 3

Fall 2012 G&G Lab Notes

Irradiated Diamond with Green Color Introduced by H2 Optical Center
Large Multiple-Treated Pink Diamond
Coated Cat’s-Eye Gypsum
Mushroom Pearl
CVD Synthetic Diamonds Identified in Hong Kong Laboratory
Type IIb CVD Synthetic Diamond
Lead Glass-Filled Synthetic Ruby
Red Taaffeite Crystal
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