Tenacity
Brittle
Brittle
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.60-2.90
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven, Conchoidal, Irregular
Cleavage
Octahedral, perfect on {111}, parting on {011}
Imperfect on {0001}
Mohs Hardness
47.5-8
2
10
👆🏻
Chemical Composition
CaF2
Be3Al2Si6O18