Summer 1994 Gem News International
Argyle Upgrades Operation
DeBeers's Rough Diamond Sales Up
Diamond Pipes Located Outside Canada's "Corridor of Hope."
More Evidence that Wisconsin Diamonds Come from Canadian Pipes
Update on Ghana Production
Russia Offers Rough for Sale
Russia Develops Diamond-Cutting Equipment
Production Plant Upgrade for Zimbabwe
Near-Colorless Russian Synthetic Diamond Examined
Colored Stones
Amber Marketed with Photomicrography
Basel Fair Highlights
Fluorite from California
Gem Artistry Knows no Boundaries
Green Gems from Australia
Myanmar Liberalizes Gem Trading
Freshwater Pearls from Bangladesh
Tiger's-Eye Quartz Production Record in South Africa
Cat's-Eye Sillimanite from Orissa, India
"Wagon Wheel" Tanzanite
Bicolored Topaz
"Zebra" Stones from Australia
Enhancements
New Emerald Treatment/Polishing Systems from Israel
Synthetics and Simulants
New Emerald Imitation
Kimberley Expands Product Line
Minute "Machine-Cut" Synthetics
Faceted Synthetic Opal
Bright Yellow "Pulled" Synthetic Sapphires
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