Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
Hard
Specific Gravity
3.00-3.252.67-2.78
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann
Cleavage
Octahedral, perfect on {111}, parting on {011}
Imperfect on the [0001]
Mohs Hardness
47.5-8
2
10
👆🏻
Chemical Composition
CaF2
Be3Al2SiO6