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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. The Aztecs instituted a tax payable only in this gemstone:
  Turquoise
  Jade
  Emerald
  Ametrine
3. The Royal Scepter of England is topped with this gemstone carved into the shape of a globe:
  Emerald
  Amethyst
  Sapphire
  Citrine

Yes, these are my final answers!

 
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