VS
Name
—
CuNiBiS₃
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
5.88
Specific gravity
—
Grayish black
Streak
—
Metallic
Luster
—
Very good on {010}, good on {001}
Cleavage
—
P2_12_12_1
Space group
—
Lapieite
Structural group
—
Müc · Approved
IMA
—
1988
Named in
—
Pale gray with an orange tint; creamy gray to pale gray with a yellow-brown tint in reflected light
Typical colors
—
Cu · Ni · Bi · S
Elements
—