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VS
Pentlandite
Name
—
(Ni,Fe)₉S₈
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
3.5–4
Mohs hardness
—
4.6–5
Specific gravity
—
Pale bronze-brown
Streak
—
Metallic. R: (400) 32.8, (420) 35.1, (440) 37.1, (460) 39.2, (480) 41.1, (500) 42.9, (520) 44.5, (540) 46.1
Luster
—
Parting on {111}
Cleavage
—
Fm3m
Space group
—
Pentlandite
Structural group
—
Pn · Grandfathered
IMA
—
1856
Named in
—
Yellow, Brown
Typical colors
—
Ni · Fe · S
Elements
—