Gem News International Gems & Gemology, Winter 2004, Volume 40, No. 4

Winter 2004 Gem News International


Diamonds
            A Natural Diamond with Very High Ni Content
Colored Stones and Organic Materials
            Adularescent Chalcedony from Iran
            Clinohumite from the Pamir Mountains, Tajikistan
            Corundum-Fuchsite-Kyanite Rock from India
            A New Gem Material from Madagascar: A Mixture of Cristobalite and Opal
            Jeremejevite from Madagascar
            Kyanite from Tanzania
            Sapphires from Afghanistan and Pakistan
            Sapphires from Baffin Island, Canada
            Unusual Star and “Cat’s-Eye” Sapphire
            Large Cat’s-Eye Topaz from Ukraine
            A Notable Triplite from Pakistan
            Update on Several Gem Localities in Zambia and Malawi
Inclusions in Gems
            Barite “Spears” in Fluorite
            Arizona Peridot with Unusual Inclusions
            Double-Eye Chatoyant Quartz
            Graphite Inclusions in Quartz from Brazil
            Quartz with Molybdenite
            Rutile “Moth” in Quartz
Synthetics and Simulants
            Synthetic Verneuil Corundum with Unusual Color Zoning
            Imitation Clam “Pearl”
Announcements
            Visit Gems & Gemology in Tucson
            Gem Treatment Seminar in Tucson
            2005 Gem-A Field Trips        
Exhibits
            Cartier Collection in Houston
            Native American Jewelry at AMNH
Conferences
            WJA in New York
            PDAC 2005
            BaselWorld 2005
            Russian Gemology
            GemmoBasel 2005
            Diamonds at GAC-MAC
            Bead Expo in Miami
            Goldschmidt Conference
                       
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