Spring 1992 Gem News International
Diamonds
Colored Diamonds
Colored Stones
Unusual Fire Agate
Fine Amazonite from Brazil
Baltic Amber More Plentiful
Faceted Apatites from Madagascar
African Aquamarine
Axinite from Russia
Beryl from Russia
Chrysocolla-Colored Chalcedony from Mexico
Commercial "Fantasy" Cuts
Cat's-Eye Emerald
Moldavite Plentiful
Eire Opal from Mexico
Update on Peridot
Pietersite from Namibia
Rubies and Sapphires from Vietnam
New Ruby Deposit in Namibia
Australian Ruby
Rubies and Pink Sapphires from Azad Kashmir, Pakistan
Ruby in Zoisite
Chinese Blue Spinel
Tourmaline from Paraiba, Brazil
Fine Tourmalines from Africa
Green Zoisite from East Africa
Rare Gemstones from Mont St. Hilaire
Enhancements
Update on Diffusion-Treated Sapphires
Blue Enhanced Opal
Irradiated Green Topaz
Synthetics and Simulants
Synthetic Alexandrite Gets New Name
More on Hydrothermal Synthetic Beryls
Colored CZ Plentiful
Rare Laboratory-Grown Crystals
Magnetic "Pierceless Earrings"
Another Chatoyant Glass
Novel Crystal Opal Imitation
Faceted Synthetic Quartzes
Knischka Synthetic Rubies
Synthetic Blue and Green Sapphires Grown by Czochralski Pulling
Titanium-Doped Synthetic Pink Sapphire
Imitations of Sugilite and Other Nontransparent Gems
Faceted Colored YAG
YAG as an "Ornamental" Material
Instrumentation
Instrument for Detecting Diffusion Treatment
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