Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
Co₉S₈
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
—
Mohs hardness
—
5.22
Specific gravity
—
—
Streak
—
Metallic. R: (400) 36.9, (420) 41.9, (440) 45.9, (460) 49.2, (480) 51.7, (500) 53.8, (520) 55.6, (540) 57.0
Luster
—
{100}
Cleavage
—
Fm3m
Space group
—
Pentlandite
Structural group
—
Copn · Approved
IMA
—
1959
Named in
—
In polished section, slightly lighter bronze-yellow than pentlandite
Typical colors
—
Co · S
Elements
—