Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
2.55-2.573.00-3.25
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
6-6.54
2
10
👆🏻
Chemical Composition
KAlSi3O8
CaF2