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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18
Brittle
-
-
2.25-2.33
-
Good on {010}
3-4
Ca(VO)Si4O10•4(H2O)
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