Hematophanite

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
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