Tenacity
Brittle
-
Solubility
slightly water soluble and in hot hydrochloric acid
-
Durability
-
-
Specific Gravity
3.00-3.252.74-2.76
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Uneven
Cleavage
Octahedral, perfect on {111}, parting on {011}
{010} Perfect, {001} Distinct
Mohs Hardness
43.5-4
2
10
👆🏻
Chemical Composition
CaF2
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)