VS
Name
—
NiS₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
3.5
Mohs hardness
—
4.45
Specific gravity
—
—
Streak
—
Metallic to submetallic. R: (400) 34.2, (420) 33.6, (440) 33.2, (460) 32.8, (480) 32.4, (500) 32.2, (520) 32.0
Luster
—
{001}
Cleavage
—
Pa3
Space group
—
Pyrite
Structural group
—
Va · Grandfathered
IMA
—
1945
Named in
—
Black; pale violet-gray in reflected light
Typical colors
—
Ni · S
Elements
—