VS
Name
—
SrAl₃(AsO₄)(SO₄)(OH)₆
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Hexagonal
Crystal system
—
5.5
Mohs hardness
—
3.63
Specific gravity
—
—
Streak
—
—
Luster
—
Poor on {0001}
Cleavage
—
—
Space group
—
Alunite-beudantite
Structural group
—
Kml · Approved
IMA
—
1967
Named in
—
Pale gray-brown with a yellow tint, brownish; in transmitted light, colorless to brown-yellow, commonly zoned
Typical colors
—
Sr · Al · As · O · S · H
Elements
—