VS
Name
—
Mn²⁺₈Si₆O₁₅(OH)₈Cl₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.98
Specific gravity
—
—
Streak
—
Pearly on cleavage surfaces
Luster
—
Good on {0001}; fair on {1011}
Cleavage
—
—
Space group
—
Pyrosmalite, Clay
Structural group
—
Mcg · Approved
IMA
—
1979
Named in
—
Light to dark pink
Typical colors
—
Mn · Si · O · H · Cl
Elements
—