Malachite

 Mohs scale
  3.5 - 4.0
 Specific Gravity
  3.25 - 4.10
 Refractive Index
  1.655 - 1.909
 Crystal system
  Monoclinic
 Chemical Composition
  Cu2(CO3)(OH)2
 Sign of Zodiac (Click on the constellation for more information)
  Capricorn Scorpio Cancer
 Chakra (Click on the chakra for more information)
  Heart Chakra
 Birthstones (Click on the month for more information)
  None
 
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