Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.843.00-3.25
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
none, may show indistinct parting
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
7-7.54
2
10
👆🏻
Chemical Composition
(Mg,Fe)3Al2Si3O12
CaF2