Afghanite

 Mohs scale
  5.5 - 6.0
 Specific Gravity
  2.55 - 2.65
 Refractive Index
  1.523 - 1.529
 Crystal system
  Trigonal
 Chemical Composition
  (Na,K)22Ca10(Si24Al24)O96(SO4)6Cl6
 Sign of Zodiac (Click on the constellation for more information)
  None
 Chakra (Click on the chakra for more information)
  Throat Chakra Third Eye Crown Chakra
 Birthstones (Click on the month for more information)
  None
 
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