General Information:
Chemical Formula:
FeS
Composition:
(Molecular Weight = 87.91 gm)
Iron 63.53 % Fe
Sulfur 36.47 % S
Empirical Formula:
Fe2+S
Locality:
CRESCENT CITY
Physical Properties:
Cleavage:
None
Color:
bronze brown or gray brown.
Density:
4.58 - 4.65, Average = 4.61
Diaphaniety:
Opaque
Habits:
Tabular - Form dimensions are thin in one direction., Platy - Sheet forms (e.g. micas)., Massive - Granular - Common texture observed in granite and other igneous rock.
Hardness:
3.5-4 - Copper Penny-Flourite
Luminescence:
None.
Luster:
Metallic
Streak:
gray black
More details...