Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.253.80
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
-
Cleavage
Octahedral, perfect on {111}, parting on {011}
Indistinct
Mohs Hardness
48
2
10
👆🏻
Chemical Composition
CaF2
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)