Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.95-4.10
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
2.53.5-4
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references