Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.354.00-4.62
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {100}, imperfect on {001}
Indistinct parting on [111]
Mohs Hardness
2.57.5-8
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)