Parajamesonite

General Information:
 Chemical Formula:
Pb4FeSb6S14
 Composition:
(Molecular Weight = 2,064.07 gm)
Iron 2.71 % Fe
Antimony 35.39 % Sb
Lead 40.15 % Pb
Sulfur 21.75 % S 
 Empirical Formula:
Pb4Fe2+Sb6S14
 Locality:
Herja, Romania.
 Name Origin:
Named as a dimorph of jamesonite.
Physical Properties:
 Cleavage:
None
 Color:
gray.
 Density:
5.479 - 5.485, Average = 5.48
 Diaphaniety:
Opaque
 Habits:
Columnar - Forms columns, ,
 Hardness:
2.5-3 - Finger Nail-Calcite
 Luster:
Metallic
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