Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.78
1
7.18
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Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
{???} Distinct, {???} Indistinct
Mohs Hardness
45-6
2
10
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Chemical Composition
CaF2
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)