宝石ニュース·インターナショナル Gems & Gemology, Fall 1998, Volume 34, No. 3

Fall 1998 Gems News International


Diamonds
            Diamonds at the International Mineralogical Association Meeting
            Update on the Ekati Project, Northwest Territories, Canada
Colored Stones
            Amethyst from Arizona
            Andradite Garnet from Yemen
            Danburite from San Diego County, California: A Potential Gem Mineral
            Application of Large-scale Mining Techniques to Colombian Emeralds
            Gem-Quality Grossular Garnet from Mali
            Pyrope-Spessartine Garnet from Madagascar
            Color-Change Pyrope-Spessartine Garnet, Also From Madagascar
            Hackmanite from Myanmar
            “Striped” Labradorite Feldspar
            Colorado Lapis Lazuli
            Pearls Highlighted at the 2nd International Jewellery Show in Kobe, Japan
            Vietnamese “Trapiche” Rubies
            “Sliders”: Rutile Inclusions in Quartz
            Sapphire from the Ural Mountains, Russia
            Sapphirine: Gems & Gemology Reader to the Rescue
Treatments
            Radioactive Rubies
Synthetics and Simulants
            Gallium Phosphide, Resembling Fancy Dark Orange Diamond
            Unusual Jade Look-Alike
            “Wild Life” Assembled Gemstone Cabochons
Announcements
            Rossmanite, a New Variety of Tourmaline
 
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