VS
Name
—
(H₃O)Al₃(SO₄)₂(OH)₆
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
—
Crystal system
—
—
Mohs hardness
—
3
Specific gravity
—
—
Streak
—
Waxy
Luster
—
—
Cleavage
—
—
Space group
—
Alunite-Alunite
Structural group
—
Ssm · Approved
IMA
—
1979
Named in
—
Pale green to gray-green; colorless in thin section
Typical colors
—
H · O · Al · S
Elements
—