Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
insoluble
Durability
-
-
Specific Gravity
3.00-3.253.95-4.03
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Octahedral, perfect on {111}, parting on {011}
None, but may exhibit parting
Mohs Hardness
49
2
10
👆🏻
Chemical Composition
CaF2
Al 2 O 3