VS
Name
—
Al₂(PO₄)(OH)₃·H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
5.5
Mohs hardness
—
2.552
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {010}, poor
Cleavage
—
P2_1nb
Space group
—
—
Structural group
—
Sng · Approved
IMA
—
1975
Named in
—
Colorless to pale yellow; colorless in transmitted light
Typical colors
—
Al · P · O · H
Elements
—