Spring 1998 Gem News International
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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