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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Z
Name
—
CuNiSb₂
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Hexagonal
Crystal system
—
3
Mohs hardness
—
5.15
Specific gravity
—
Black
Streak
—
Metallic. Anisotropism: Strong, from light to dark gray with a faint greenish tint. R1 –R2: (400) —, (420) 38.6–44.3
Luster
—
—
Cleavage
—
P-3m1
Space group
—
Nickeline
Structural group
—
Zla · Approved
IMA
—
1994
Named in
—
Steel-gray; in reflected light, white with a faint yellowish tint to light gray
Typical colors
—
Cu · Ni · Sb
Elements
—