Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.354.32-4.48
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
{101}, good; {010}, poor
Mohs Hardness
2.53.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)