Lab NotesGems & 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 “Planetarium” 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? To view the full section, download the PDF above.

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