DIAMONDS

• Diamonds at the International Mineralogical Association meeting.
• Update on the Ekati project, Northwest Territories, Canada.

COLORED STONES AND ORGANIC MATERIALS

• Amethyst from Arizona.
• Andradite garnet from Yemen.
• Danburite from San Diego County, California: A potential gem mineral.
• Application of large-scale mining techniques to Colombian emeralds.
• Gem-quality grossular garnet from Mali.
• Pyrope-spessartine garnet from Madagascar.
• Color-change pyrope-spessartine garnet, also from Madagascar.
• Hackmanite from Myanmar.
• 'Striped' labradorite feldspar.
• Colorado lapis lazuli.
• Pearls highlighted at the 2nd International Jewellery Show in Kobe, Japan.
• Vietnamese 'trapiche' rubies.
• Sapphire from the Ural Mountains, Russia.
• Sapphirine: Gems & Gemology reader to the rescue.

TREATMENTS

• Radioactive rubies.

SYNTHETICS AND SIMULANTS

• Gallium phosphide, resembling fancy dark orange diamond.
• Unusual jade look-alike.
• 'Wild Life' assembled gemstone cabochons.
  

ANNOUNCEMENTS

• Rossmanite, a new variety of tourmaline.

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 218-230