VS
Name
—
Mn²⁺₆(CO₃)₂(OH)₇(Cl,OH)
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
3.19
Specific gravity
—
Pale pink
Streak
—
Vitreous, silky in fibrous aggregates
Luster
—
On {100}, perfect
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Hdw · Approved
IMA
—
1986
Named in
—
Pale to dark pink if fresh, turning brown on exposure, developing a dark sooty coating
Typical colors
—
Mn · C · O · H · Cl
Elements
—