VS
Name
—
Mn²⁺₆Zn₃(AsO₄)₂(SiO₄)(OH)₈
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
4.5
Mohs hardness
—
4.11
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
{010}, poor
Cleavage
—
Abma
Space group
—
—
Structural group
—
Hde · Grandfathered
IMA
—
1927
Named in
—
Red, Orange
Typical colors
—
Mn · Zn · As · O · Si · H
Elements
—