Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.08-2.16
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Irregular/uneven
Cleavage
Octahedral, perfect on {111}, parting on {011}
distinct/good on {1011}
Mohs Hardness
44.5
2
10
👆🏻
Chemical Composition
CaF2
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)