VS
Name
—
Fe³⁺Al₂(PO₄)₂(OH)₃·7H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
2.35
Specific gravity
—
—
Streak
—
—
Luster
—
On {010}, perfect; on {001}, good
Cleavage
—
P-1
Space group
—
Laueite
Structural group
—
Sig · Approved
IMA
—
1962
Named in
—
Pale straw-yellow, pale brownish orange, light brown
Typical colors
—
Fe · Al · P · O · H
Elements
—