VS
Name
—
Al(PO₄)·2H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
2.51–2.54
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
On {010}
Cleavage
—
P2_1/n
Space group
—
Phosphosiderite
Structural group
—
Mvar · Approved
IMA
—
1925
Named in
—
Pale green; colorless in transmitted light
Typical colors
—
Al · P · O · H
Elements
—