Gem News International
Gems & Gemology, Spring 1998, Volume 34, No. 1

Spring 1998 Gem News International

TUCSON ‘98   
Diamonds
            Gem Crystals from Russia and China
Colored Stones and Organic Material
            Andalusite (Chiastolite) Sphere
            Coral with a Blue Sheen from Alaska
            Bicolored Corundum
            Emerald from Tocantins, Brazil
            Spessartine Garnet from Madagascar
            Sphene from Madagascar
            Spinel from Vietnam
            Parti-Colored Faceted Liddicoatite Tourmaline
            Another Tourmaline Source in Namibia
Synthetics and Simulants
            Synthetic Amethyst Grown Over Round Seeds
            “Glass stones”: Imitation Agates
            Synthetic Moissanite from Russia
Instrumentation and Techniques
            Buff-Top Faceted Stones Cut from Quartz Spheres
 
MORE FROM THE 26TH INTERNATIONAL GEMMOLOGICAL CONFERENCE
Colored Stones and Organic Materials
            An Unusual Organic “Gem”: Bezoar
            Gem-Quality Transparent Feldspar from North America
            Libyan Desert Glass
            Maw-Sit-Sit from Myanmar
            An Opal Nomenclature
            Identifying Natural Opal in the Field
            Kashmir Rubies
            Gemstones of Switzerland
Synthetics and Simulants
            First Commercial Synthetic Ametrine from Russia
Instrumentation
            Cathodoluminescence and Photoexcitation Applications in Gemology
 
Announcements
            New Geologic Maps of Sri Lanka
            Nature of Diamonds Exhibit Extended
            International Mineralogical Association Meeting
In Memoriam
            Charles E. Ashbaugh III, 1944-1997
            Eugene Edward Foord, 1946–1998
 
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