Tenacity
-
Brittle
Solubility
-
insoluble in water
Durability
-
-
Specific Gravity
6.30-6.395.00-5.20
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal, ConchoidalWalter Schumann
Cleavage
[001] good, [210] distinct
Indistinct on {001}; partings on {011} and {111}
Mohs Hardness
3-3.56-6.5
2
10
👆🏻
Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references