General Information:
Chemical Formula:
PbO
Composition:
(Molecular Weight = 223.20 gm)
Lead 92.83 % Pb
Oxygen 7.17 % O
Empirical Formula:
PbO
Environment:
Dimorphous with massicot.
Locality:
Cucamonga Peak, San Bernardino Co., California, USA.
Name Origin:
Named in 1917 from a Greek word given by Diocorides to a material obtained in the process of separating lead from silver by pyrometallurgy.
Physical Properties:
Cleavage:
[110] Distinct
Color:
red.
Density:
9.14 - 9.355, Average = 9.24
Diaphaniety:
Transparent
Habits:
Encrustations - Forms crust-like aggregates on matrix., ,
Hardness:
2 - Gypsum
Luminescence:
Non-fluorescent.
Luster:
Greasy (Oily)
Streak:
red
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