DIAMONDS

• Diamond exploration in Alberta, Canada...
• ...and anticipated production in the Northwest Territories.
• International Rough Diamond Conference in Israel.

COLORED STONES AND ORGANIC MATERIALS

• 'Flame agate': What's in a name?
• Update on benitoite mining.
• Beryl from Madagascar: Aquamarine...
• ...and traphiche beryl.
• 'Almost blue' Sri Lankan color-change garnets.
• Cat's-eye opal from Tanzania.
• Of rubies and rubles.
• Star sapphire from Madagascar.

TREATMENTS

• Jadeite boulder fakes.
• Titanium- and gold-coated drusy materials in jewelry.
• Surface-treated topaz.

INSTRUMENTATION

• New faceting machine.

ANNOUNCEMENTS

• AGTA Announces Tanzanian Miners' Relief Effort.
• Birthstone Exhibit at the Carnegie Museum.
• Ninth annual conference of the Canadian Gemmological Association.

Editors:
Mary L. Johnson and John I. Koivula

Contributing Editors:
Dino DeGhionno - GIA GTL, Carlsbad, California
Shane F. McClure - GIA GTL, Carlsbad, California
Emmanuel Fritsch, IMN, University of Nantes, France
Henry A. Hänni, SSEF, Basel, Switzerland
Karl Schmetzer, Peterhausen, Germany

Appears on pages 134-145