Gem News InternationalGems & Gemology, Summer 1989, Volume 25, No. 2

Summer 1989 Gem News International

Diamonds Companies Vie for Angola Diamond Rights Australian Diamonds Diamonds from China Deep Space Diamonds Colored Stones Visual Representation of Amethyst to Citrine Alteration Aquamarine Found in Wyoming Colored Stone Update from China Tunnels Used to Mine Emeralds at Muzo Hackmanite: A Remarkable Variety of Sodalite Australia's Opal Industry Crippled A Significant Find of Mexican Quartz Rose Quartz from Connecticut Blue Sapphires from Kenya Sapphire in Ontario An Interesting Zoned Australian Sapphire "Padparadscha" Sapphire Large Tourmaline Pocket Discovered at the Himalaya mine Pearls Two Remarkable Natural Freshwater Pink Pearls from Texas Synthetics and Simulants "Bull's-Eye" Optic Figure in Synthetic Berlinite An Unusual Ceramic Cameo A Clever Imitation Emerald Crystal Chatham Expands Union Carbide Growing Large Synthetic Sapphires Announcements New Museum Opens in Brazil Gemmological Association of Israel is Formed Zambian Trade Association Jewelry Manufacturing Symposium KOSIMA ’89 in Greece FIT Symposium Announced Mineralogical Society of Southern California To view the full section, download the PDF above.

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Summer 1989 Gem News International