VS
Name
—
Fe³⁺₃(As³⁺O₂)₄(As³⁺₂O₅)(OH)
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
4.07
Specific gravity
—
Bright yellow
Streak
—
—
Luster
—
Possibly on {100} or {010}, as indicated by preferred orientation of fibers
Cleavage
—
—
Space group
—
—
Structural group
—
Kab · Approved
IMA
—
1973
Named in
—
Brownish yellow, pale to brownish orange
Typical colors
—
Fe · As · O · H
Elements
—