VS
Name
—
Mn²⁺₂(AsO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
4
Mohs hardness
—
3.67
Specific gravity
—
White
Streak
—
—
Luster
—
On {101}, fair
Cleavage
—
Pnnm
Space group
—
Andalusite
Structural group
—
Ev · Approved
IMA
—
1966
Named in
—
Bright green, apple-green to pale green, pale yellow
Typical colors
—
Mn · As · O · H
Elements
—