Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.82
1
7.18
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Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
-
Cleavage
Octahedral, perfect on {111}, parting on {011}
Perfect in one direction, indistinct in one direction
Mohs Hardness
46
2
10
👆🏻
Chemical Composition
CaF2
K2Na(Ca,Mn)2Ti[O|Si7O18(OH)]