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Test Your Gem IQ   Answer these questions correctly and you will win a gem screensaver.
1. The Aztecs instituted a tax payable only in this gemstone:
  Turquoise
  Jade
  Emerald
  Ametrine
2. The Vikings used a gemstone to aid in navigation, as they ventured far into the Atlantic ocean. What color is this gemstone?
  Orange
  Pale Pink
  Blue
  Green
3. What does the Mohs scale measure?
  Hardness
  Toughness
  Brilliance
  Density

Yes, these are my final answers!

 
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