VS
Name
—
Mn²⁺MgZn(SiO₄)(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
4.5
Mohs hardness
—
3.68
Specific gravity
—
White
Streak
—
Vitreous to subadamantine, silky when matted
Luster
—
Good on {010}
Cleavage
—
Bbcm
Space group
—
—
Structural group
—
Gmn · Approved
IMA
—
1975
Named in
—
White to very pale pink
Typical colors
—
Mn · Mg · Zn · Si · O · H
Elements
—