General Information:
Chemical Formula:
FeSe2
Composition:
(Molecular Weight = 213.77 gm)
Iron 26.13 % Fe
Selenium 73.87 % Se
Empirical Formula:
Fe2+Se2
Environment:
In selenium ore associated with ferrosellite and goethite. Polymorphous with ferroselite.
IMA Status:
Approved IMA
Locality:
In the Suluchekinskoye Se-U deposit, Dzharkenskaya depression, SE Kazakhstan.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
None
Color:
black.
Density:
7.34
Diaphaniety:
Opaque
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., ,
Hardness:
5 - Apatite
Luster:
Metallic
Streak:
black
More details...