Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
2.58-2.803.00-3.25
1
7.18
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Fracture
Uneven, Irregular
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Perfect
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
5.54
2
10
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Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
CaF2