Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.35-9999
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {100}, imperfect on {001}
-
Mohs Hardness
2.5-9999
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2, Al2O3, CaO, MgO, FeO