Tenacity
Sectile
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
6.136.50-7.00
1
7.18
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Fracture
Conchoidal
Irregular, Conchoidal
Cleavage
Distinct on {001} and {110}, indistinct on {100}
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
2-33
2
10
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Chemical Composition
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)