Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
6.30-6.394.32-4.48
1
7.18
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Fracture
Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
[001] good, [210] distinct
{101}, good; {010}, poor
Mohs Hardness
3-3.53.5
2
10
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Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)