Lab Notes Gems & Gemology, Summer 2003, Volume 39, No. 2

Summer 2003 G&G Lab Notes

Non-Phenomenal Vanadium-Bearing Chrysoberyl
Brown-Yellow Diamonds with an “Amber Center” and Pink Lamellae
Color-Change Grossular-Andradite Garnet from Mali
Glass Imitation of Tsavorite Garnet
Guatemalan Jade with Lawsonite Inclusions
Chatoyant Opal with Eye that “Opens and Closes”
Variously Colored Imitation Pearls with Iridescent Appearance
Synthetic Sapphire Color-Change Doublets
Unusual “Red” Spinel
Diffusion-Treated Tanzanite?
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