Tenacity
Brittle
Brittle
Solubility
slightly water soluble and in hot hydrochloric acid
Easily soluble in cold dilute HCl
Durability
-
-
Specific Gravity
3.00-3.254.12
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Octahedral, perfect on {111}, parting on {011}
Good in two directions parallel to the prism faces {110}
Mohs Hardness
44-4.5
2
10
👆🏻
Chemical Composition
CaF2
CaZn(AsO4)(OH)