VS
Name
—
Fe²⁺Al₂O₄
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
7.5–8
Mohs hardness
—
4.4
Specific gravity
—
Dark grayish green to dark green
Streak
—
Vitreous
Luster
—
Parting on {Ill}, probable
Cleavage
—
Fd3m
Space group
—
Spinel
Structural group
—
Hc · Grandfathered
IMA
—
1839
Named in
—
Dark green to black; dark green in thin section
Typical colors
—
Fe · Al · O
Elements
—