Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.27-2.33
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
-
Cleavage
Octahedral, perfect on {111}, parting on {011}
Perfect
Mohs Hardness
45.5-6
2
10
👆🏻
Chemical Composition
CaF2
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)