VS
Name
—
MgFe³⁺₂O₄
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
6–6.5
Mohs hardness
—
4.55–4.65
Specific gravity
—
Black
Streak
—
Metallic to semimetallic, may be dull
Luster
—
{111} parting likely
Cleavage
—
Fd3m
Space group
—
Spinel
Structural group
—
Mfr · Grandfathered
IMA
—
1859
Named in
—
Black to brownish black; reddish brown in transmitted light
Typical colors
—
Mg · Fe · O
Elements
—