Sun Stone
  Sunstone is a plagioclase feldspar, which when viewed from certain directions exhibits a brilliant spangled appearance; this has led to its use as a gemstone. It has been found in Southern Norway, and in some United States localities. It is the official gemstone of Oregon.  
 

Location - USA, Norway

  
Group - Silica R.I. - 1.525 - 1.58 Hardness - 6 - 7.2
 

 

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