Aragonite

 Mohs scale
  3.5 - 4.0
 Specific Gravity
  2.90 - 3.00
 Refractive Index
  1.529 - 1.530
 Crystal system
  Orthorhombic
 Chemical Composition
  CaCO3
 Sign of Zodiac (Click on the constellation for more information)
  Virgo Capricorn
 Chakra (Click on the chakra for more information)
  Third Eye
 Birthstones (Click on the month for more information)
  None
 
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