Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.313.00-3.25
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Indiscernible
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
-99994
2
10
👆🏻
Chemical Composition
NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)
CaF2