Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.65-4.553.00-3.25
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
None, but may exhibit slight parting
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
7.5-84
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
CaF2