General Information:
Chemical Formula:
Pb4Fe+++3O8(OH,Cl)
Composition:
(Molecular Weight = 1,145.95 gm)
Iron 14.62 % Fe
Hydrogen 0.07 % H
Lead 72.32 % Pb
Chlorine 0.77 % Cl
Oxygen 12.22 % O
Empirical Formula:
Pb4Fe3+3O8(OH)0.75Cl0.25
Physical Properties:
Cleavage:
[001] Good
Color:
reddish brown.
Density:
7.7
Diaphaniety:
Opaque
Hardness:
2-3 - Gypsum-Calcite
Luster:
Sub Metallic
Streak:
yellow red
More details...