Gem News International Gems & Gemology, Fall 2003, Volume 39, No. 3

Fall 2003 Gem News International


Diamonds
            Australia’s Largest Diamond Crystal Found at Merlin
            Update on Diamond Mining and Exploration in Northern Alberta, Canada
            Profile Cut Diamonds
Colored Stones and Organic Materials
            An Alexandrite-Emerald Intergrowth
            Amethyst from Nigeria
            New Hiddenite Discovery in Historic North Carolina Location
            Update on Sapphires, Pezzottaite, and other Gems from Madagascar
            Update on Mining and Marketing Gems in Mogok, Myanmar
            “Star” Obsidian
            An Unusual Star Quartz
            Star Sunstone from Tanzania
            More Curiosities from Tucson 2003
Synthetics and Simulants
            Chemical Vapor Deposition (CVD): A Gem-Quality Laboratory-Created Diamond Source             “Mermaid Crystal,” an Opal Simulant
            Synthetic Spinel with Unusual Inclusions
Treatments
            HPHT-processed Diamonds from Korea
            Tourmaline with an Iridescent Coating
Miscellaneous
            Heat Treatment and Gem Cutting Facility in Madagascar
            Plans for a Gemological Institute in Madagascar
Conference Reports
            Gem Presentations at the GAC-MAC-SEG Meeting
            8th International Kimberlite Conference
Announcements
            John I. Koivula Wins AGS Liddicoat Journalism Award for G&G Article
Conferences
            Québec Exploration 2003
            Gems at the MRS Fall Meeting
            PDAC 2004
Exhibits
            Chanel Collection Privée
            Treasures of Ancient Egypt at the New Orleans Museum of Art
                       
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