VS
Name
—
Zn₂(AsO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
4.32–4.48
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
{101}, good; {010}, poor
Cleavage
—
Pnnm
Space group
—
Andalusite
Structural group
—
Ad · Grandfathered
IMA
—
1866
Named in
—
Yellow, Green, Colorless, Pink, Purple, Blue
Typical colors
—
Zn · As · O · H
Elements
—