Tenacity
-
Brittle
Solubility
insoluble in water
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
2.51-2.633.00-3.25
1
7.18
👆🏻
Fracture
Fibrous
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Perfect basal
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
2.5-4.54
2
10
👆🏻
Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
CaF2