Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.253.22-3.40
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
1,2 prismatic.
Mohs Hardness
45-6
2
10
👆🏻
Chemical Composition
CaF2
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)