VS
Name
—
Fe²⁺₃(AsO₄)₂·8H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Triclinic
Crystal system
—
2.5
Mohs hardness
—
2.96–3.01
Specific gravity
—
Pale bluish
Streak
—
Vitreous to oily, pearly on cleavages
Luster
—
On {110}, perfect
Cleavage
—
—
Space group
—
Symplesite
Structural group
—
Sym · Grandfathered
IMA
—
1837
Named in
—
Leek-green, pale green; dark green, greenish black to dark Indigo-blue on oxidation
Typical colors
—
Fe · As · O · H
Elements
—