Lab NotesGems & Gemology, Summer 1985, Volume 21, No. 2

Summer 1985 G&G; Lab Notes

Amber, with Unusual Inclusions Amethyst, with Confusing Inclusions Diamond Damaged in Cutting Fancy Blue Diamond Fluorite Carving, Damaged by Sulfuric Acid Hexagonite, Cat's-Eye Unusual Gilson Synthetic Opal Yellow-Green Opal Freshwater Cultured Pearls from China Imitation Pearls Quartz, Very Dark Reddish Gray Cat's-Eye Star Sapphire, Diffusion-treated Scapolite, Dark Cat's-Eye Topaz Imitation Zircon, Cat's-Eye

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