American Gem Trade AssociationAdd More Color To Your Life
Test Your Gem IQ   Answer these questions correctly and you will win a gem screensaver.
1. If an opal has play of color in this hue, it will also have every other hue:
  Blue
  Red
  Green
  Yellow
2. This gem can be truly out of this world: that is, literally extraterrestrial in origin.
  Spinel
  Moonstone
  Peridot
  Andalusite
3. Which of these gemstones will scratch quartz?
  Peridot
  Tanzanite
  Demantoid Garnet
  Topaz

Yes, these are my final answers!

 
Colored gemstone information and jewelry fashion from the non-profit American Gem Trade Association

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