VS
Name
—
Fe²⁺₂Mo⁴⁺₃O₈
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Hexagonal
Crystal system
—
3–4.5
Mohs hardness
—
5.96
Specific gravity
—
Black
Streak
—
Metallic to submetallic
Luster
—
{0001}, perfect
Cleavage
—
P6_3mc
Space group
—
Nolanite
Structural group
—
Kmk · Approved
IMA
—
1975
Named in
—
Iron-black; gray with an olive tint in reflected light
Typical colors
—
Fe · Mo · O
Elements
—