Sunstone

 Mohs scale
  6.0 - 6.5
 Specific Gravity
  2.62 - 2.67
 Refractive Index
  1.525 - 1.552
 Crystal system
  Triclinic
 Chemical Composition
  (Ca,Na)(Al,Si)2Si2O8

 Sign of Zodiac (Click on the constellation for more information)
 Chakra (Click on the chakra for more information)
 Birthstones (Click on the month for more information)
 
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