Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.253.16-3.43
1
7.18
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Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
{110} Good, {110} Good
Mohs Hardness
45-6
2
10
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Chemical Composition
CaF2
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)