Mtorolite

 Mohs scale
  6.5 - 7.0
 Specific Gravity
  2.55 - 2.70
 Refractive Index
  1.530 - 1.543
 Crystal system
  Trigonal
 Chemical Composition
  SiO2+Cr
 
 
 Sign of Zodiac
  None
 Chakra
  Heart Chakra
 
 
 


 
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