VS
Name
—
KFe₂S₃
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
3.1
Specific gravity
—
—
Streak
—
Metallic
Luster
—
Perfect on {110}
Cleavage
—
Cmcm
Space group
—
Cubanite
Structural group
—
Rsv · Approved
IMA
—
1970
Named in
—
Steel-gray, becoming iridescent purple or bronze, to dull black with oxidation
Typical colors
—
K · Fe · S
Elements
—