VS
Name
—
(Fe³⁺₀.₅Sb⁵⁺₀.₅)Mn²⁺₂O₄
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
—
Mohs hardness
—
4.9
Specific gravity
—
Brown
Streak
—
Metallic
Luster
—
—
Cleavage
—
Fd3m
Space group
—
Spinel
Structural group
—
Fps · Approved
IMA
—
1987
Named in
—
Black; gray in reflected light, with amber-orange, brown, or red internal reflections
Typical colors
—
Fe · Sb · Mn · O
Elements
—