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Test Your Gem IQ   Answer these questions correctly and you will win a gem screensaver.
1. Which of the following gemstones is NOT pleochroic (different colors in different directions?)
  Andalusite
  Tanzanite
  Iolite
  Spinel
2. This nation produces cultured pearls with natural gray to black shades and iridescent overtones:
  China
  Japan
  Tahiti
  Indonesia
3. Which of the following gemstones comes in more than one hue?
  Peridot
  Iolite
  Ruby
  Sapphire

Yes, these are my final answers!

 
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