Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.253.05-3.21
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
-
Cleavage
Octahedral, perfect on {111}, parting on {011}
None
Mohs Hardness
47-7.5
2
10
👆🏻
Chemical Composition
CaF2
(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)