Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
6.30-6.393.25
1
7.18
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Fracture
Conchoidal
-
Cleavage
[001] good, [210] distinct
Imperfect in one direction
Mohs Hardness
3-3.55-5.5
2
10
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Chemical Composition
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)