Tenacity
Brittle
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
23.00-3.25
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Imperfect on {001}, indistinct on {011}
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
2.5-34
2
10
👆🏻
Chemical Composition
PbWO4
CaF2