Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.355.50-5.90
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
2.54
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)