Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.82-4.003.00-3.25
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
{???} Indistinct
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
5.54
2
10
👆🏻
Chemical Composition
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
CaF2