VS
Name
—
NaAl₄(AsO₄)₃(OH)₄·4H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Cubic
Crystal system
—
2.5
Mohs hardness
—
2.564
Specific gravity
—
White
Streak
—
Vitreous to adamantine
Luster
—
Imperfect on {100}
Cleavage
—
P-43m
Space group
—
Pharmacosiderite
Structural group
—
Npal · Approved
IMA
—
2010
Named in
—
Colorless
Typical colors
—
Na · Al · As · O · H
Elements
—