VS
Name
—
Al(UO₂)₂(AsO₄)₂F·20H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Tetragonal
Crystal system
—
2
Mohs hardness
—
2.54
Specific gravity
—
White
Streak
—
—
Luster
—
Perfect on {001}; good on {100} and {010}
Cleavage
—
Pmmm
Space group
—
—
Structural group
—
Aush · Approved
IMA
—
1978
Named in
—
Pale yellow, yellowish brown
Typical colors
—
Al · U · O · As · F · H
Elements
—