Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.82-3.97
1
7.18
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Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
Perfect on [001] and [011]
Mohs Hardness
2.55.5-6
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references