Winter 1997 Gem News International
Diamonds
Cathodoluminescence of Yellow Diamonds
Diamond Inclusions in Corundum
The Diamond Pipeline into the Third Millennium
Mineral Inclusions in Large Yakutian Diamond Crystals
The Morphology of Natural Gem Diamond
Colored Stones and Inorganic Material
Identification of Amber by Laser Raman Microspectroscopy
New Zealand ‘Kauri Gum’
Inclusion-Related Fluorescence Zoning in Amber
New Chrysoberyl Deposits in India
Gem Corundum from Australia and Southeast Asia
Bactrian Emeralds
Emerald Origin
Origin of Ancient Roman Emeralds
Blue Quartz from Madagascar
Ornamental Stones and other Gems from Bolivia
Cultured Pearls from Indonesia
Sapphires from Northern Madagascar
Tunduru-Songea Gem Fields in Southern Tanzania
Synthetics and Simulants
Imitation Pearls: So-Called “I Pearls” from Japan
Growth-Induced Imperfections and Inhomogeneities in Single Crystals
Surface Features and Growth Conditions of Quartz Crystals
Reversible Twinning in an Unusual Synthetic Material
Treatments
Heat Treatment of Garnets
Titanium and Chromium Diffusion-Induced Star Sapphires
Announcements
New Hall Opens at the Smithsonian Institution
Diamonds at the American Museum of Natural History
New Exhibits at the Cleveland Museum of Natural History
Gems & Gemology Wins ASAE Award – Again!
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