VS
Name
—
MgCr₂O₄
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
5.5–7
Mohs hardness
—
4.39–4.67
Specific gravity
—
Brown
Streak
—
Metallic
Luster
—
Parting on {111}, possible
Cleavage
—
Fd-3m
Space group
—
Spinel
Structural group
—
Mchr · Grandfathered
IMA
—
1873
Named in
—
Black, deep red; gray in reflected light
Typical colors
—
Mg · Cr · O
Elements
—