VS
Name
—
Fe²⁺Fe³⁺₂(AsO₄)₂(OH)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
3.15
Specific gravity
—
Greenish yellow
Streak
—
Vitreous to sub-adamantine
Luster
—
Good on {010}
Cleavage
—
P2_1/c
Space group
—
Arthurite
Structural group
—
Bdd · Approved
IMA
—
1998
Named in
—
Blackish green to dark brownish
Typical colors
—
Fe · As · O · H
Elements
—