Lab NotesGems & Gemology, Volume 48, No. 2

Summer 2012 G&G; Lab Notes

Large Artificially Irradiated Yellow Diamond 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. To view the full section, download the PDF above.

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