VS
Name
—
Pb(Mn⁴⁺₆Mn³⁺₂)O₁₆
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
4.5–5
Mohs hardness
—
5.25–5.5
Specific gravity
—
Brownish black
Streak
—
Dull to submetallic
Luster
—
—
Cleavage
—
I2/m
Space group
—
Coronadite
Structural group
—
Cor · Grandfathered
IMA
—
1904
Named in
—
Dark gray to black; white in reflected light
Typical colors
—
Pb · Mn · O
Elements
—