VS
Name
—
Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
6
Mohs hardness
—
4.95
Specific gravity
—
Black
Streak
—
Metallic, splendent
Luster
—
Prismatic, distinct
Cleavage
—
I2/m
Space group
—
Coronadite
Structural group
—
Hol · Approved
IMA
—
1906
Named in
—
Black, grayish black to silvery gray; in reflected light, white
Typical colors
—
Ba · Mn · O
Elements
—