Tenacity
Brittle
Brittle
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.254.5-4.8
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Octahedral, perfect on {111}, parting on {011}
None, parting may develop along {111}
Mohs Hardness
45.5
2
10
👆🏻
Chemical Composition
CaF2
Fe++Cr2O4