Summer 2012 G&G Lab Notes
Multi-Treated Yellowish Green Diamond
Natural Green Diamond Artificially Irradiated for Color Enhancement
Pink Diamonds with 478 nm Peak
Rough Diamonds with a Green Coating
Jewelry Mounted with Red Feldspar from China
Hibonite Crystal
Unusual Green Color in a Jadeite Bangle
Greenish Blue Imitation Opal
Cultured Freshwater Pearl Necklace Resembling Natural Saltwater Pearls
Large Freshwater Cultured Blister Pearl
Luminescent Strontium-Calcium Aluminate Doped with Rare-Earth Elements
Near-Colorless HPHT-Grown Synthetic Diamonds from Advanced Optical Technology Co.
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