Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.251.98-2.25
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
None
Mohs Hardness
45-6.5
2
10
👆🏻
Chemical Composition
CaF2
SiO 2 · nH 2OGemdat.org , Management Team (2012)