General Information:
Chemical Formula:
FeSbS
Composition:
(Molecular Weight = 209.66 gm)
Iron 26.64 % Fe
Antimony 58.07 % Sb
Sulfur 15.29 % S
Empirical Formula:
Fe3+SbS
Name Origin:
Named after its locality Gudmundstorp, Sweden.
Physical Properties:
Cleavage:
None
Color:
silvery white or steel gray.
Density:
6.72
Diaphaniety:
Opaque
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., Crystalline - Fine - Occurs as well-formed fine sized crystals.,
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Metallic
Streak:
grayish black
More details...