• White House Conference on "Conflict" Diamonds
  

TUCSON 2001

• DIAMONDS
  - Update on GIA's diamond cut research
  
• COLORED STONES AND ORGANIC MATERIALS
  - Cultured abalone pearls from California
  - Benitoite mine sold
  - Emeralds from Laghman, Afghanistan
  - First production of emeralds from Piteiras, Brazil
  - Educational iolite
  - "Hte Long Sein" jadeite
  - Kunzite from Nigeria
  - "Rainbow" obsidian from Jalisco, Mexico
  - New production of Indonesian opal
  - Australian prehnite returns
  - "Yosemite" topaz
  - Colored tourmaline from northern Pakistan
  - Fashioning the "Green King of Africa" tsavorite
  - Highlights from the TGMS Show and Mineralogical Symposium
  - Faceted vesuvianite from California
  
• SYNTHETICS AND SIMULANTS
  - Opal imitations
  - Green flame-fusion synthetic sapphire
   
• TREATMENTS
  - Platinum coating of drusy materials
       
• MISCELLANEOUS
  - An attractive way to display loose gemstones
  - Micromosaics from natural gemstones
  

Gem News International Editor
Brendan Laurs

Contributing Editors
Emmanuel Fritsch, IMN, University of Nantes, France
Henry A. Hänni, SSEF, Basel, Switzerland
Kenneth Scarratt, AGTA Gemological Testing Center, New York
Karl Schmetzer, Petershausen, Germany
James E. Shigley, GIA Research, Carlsbad, California
Christopher P. Smith, Gübelin Gem Lab, Lucerne, Switzerland