VS
Name
—
Ni₃S₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Trigonal
Crystal system
—
4
Mohs hardness
—
5.82
Specific gravity
—
—
Streak
—
Metallic. Anisotropism: Strong, brown to bluish gray. R1 –R2: (400) 24.0–25.4, (420) 31.2–31.9, (440) 38.2–38.5
Luster
—
—
Cleavage
—
R32
Space group
—
—
Structural group
—
Hzl · Grandfathered
IMA
—
1897
Named in
—
Pale bronze; in polished section, yellowish cream colored
Typical colors
—
Ni · S
Elements
—