Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
4.00-4.623.00-3.25
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Indistinct parting on [111]
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
7.5-84
2
10
👆🏻
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
CaF2