Tenacity
Sectile
Brittle
Solubility
Soluble
-
Durability
-
-
Specific Gravity
6.132.77
1
7.18
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Fracture
Conchoidal
Uneven
Cleavage
Distinct on {001} and {110}, indistinct on {100}
Perfect [001] good [010] poor [110]
Mohs Hardness
2-36-6.5
2
10
👆🏻
Chemical Composition
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)