VS
Name
—
CuNi₂S₄
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
—
Mohs hardness
—
4.76
Specific gravity
—
—
Streak
—
Metallic. R: (420) 36.4, (460) 40.9, (500) 42.5, (546) 43.4, (589) 45.3, (640) 43.8
Luster
—
—
Cleavage
—
Fd3m
Space group
—
Spinel
Structural group
—
Ftc · Approved
IMA
—
1976
Named in
—
Steel-gray; in polished section, creamy white
Typical colors
—
Cu · Ni · S
Elements
—