Fall 1992 Gem News International
New Treatment Plant at Alexander Bay
Results of Canadian Bulk Sampling
British Crown Jewels to Move in 1994
India Plans Increased Mining
Expansion at Jwaneng
Diamonds from Myanmar
Venetia Mine Officially Opens
Diamond-Cutting Plant in Vietnam
Colored Stones
Amber with Insect "Inclusion"
More Amber from Russia
Blue Chalcedony from Montana
An Unusual Zoned Specimen
Diopside from Tanzania
Ironstone Matrix as a Carving Material
Mansfieldite Gemstone Egg
Pearls from Baja California
Natural Pearls from the New World
Large South Seas Pearl Illustrated
Pearl Culturing in Venezuela
Faceted Ruby from Longido, Tanzania
Sapphires from Madagascar
Pennsylvania Sphalerite
Tourmaline with Distinctive Inclusions
Enhancements
Diffusion-Treated Sapphire Cabochons Sold as Natural
Kit with Colored Fracture Filler
Update on Dyed Green Quartz
New Ruby Treatment
Synthetics and Simulants
New Synthetic Alexandrite
Glass from Mount Saint Helens Rock
Unusual Assembled Glass Imitation
Another Assembled Imitation Crystal Opal
Natural-Appearing Synthetic Rubies on the Thai-Myanmar Border
A New Twist to Imitations of Vietnamese Ruby
Assembled Imitation Bicolored Tourmaline
In Memoriam
Mr. Vahan Djevahirdjian of Hrand Djevahirdjian S.A.
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