1 Physical Properties
1.1 Tenacity
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1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
2.5 Fracture
Not Available
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
2.6 Cleavage
2.7 Mohs Hardness
2.11 Chemical Composition
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)