Gem News InternationalGems & Gemology, Summer 1997, Volume 33, No. 2

Summer 1997 Gem News International

Diamonds Conference on Diamond Technology A “Piggyback” Diamond Assemblage Synthetic Diamond Thin Film Jewelry Colored Stones and Organic Material Color-Zoned Amethyst from Thunder Bay, Ontario, Canada Blue- and Multicolor-Sheen Moonstone Feldspar from India “Watermelon” Sunstone Feldspar Carving Musgravite: A Rarity among the Rare Faceted Cultured Pearls Inclusions in Quartz as Design Elements Treatments A New Emerald Filler Synthetics and Simulants Update on Vanadium-Bearing Synthetic Chrysoberyl “Cat’s-Eye” Synthetic Emerald Emerald Rough: Buyer Beware! An Especially Misleading Quench-Crackled Synthetic Ruby New Information on Flux-Grown Red Spinel from Russia To view the full section, download the PDF above.

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