VS
Name
—
Ni₄AsS₂
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
6.2
Specific gravity
—
Black
Streak
—
Metallic. R1 –R2: (400) —, (420) 35.0–41.2, (440) 37.0–43.0, (460) 39.2–45.0, (480) 41.7–47.0, (500) 44.0–48.6
Luster
—
One, distinct
Cleavage
—
—
Space group
—
—
Structural group
—
Voz · Approved
IMA
—
1981
Named in
—
Yellowish with a brown tint; in reflected light, rose-orange
Typical colors
—
Ni · As · S
Elements
—