VS
Name
—
KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Cubic
Crystal system
—
2.5
Mohs hardness
—
2.797
Specific gravity
—
white
Streak
—
Adamantine to greasy
Luster
—
On {001}, good to imperfect
Cleavage
—
P-43m
Space group
—
Pharmacosiderite
Structural group
—
Pmsd · Grandfathered
IMA
—
1813
Named in
—
Yellow, Brown, Red, Green
Typical colors
—
K · Fe · As · O · H
Elements
—