VS
Name
—
CaAl₃(SO₄)(PO₄)(OH)₆
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Trigonal
Crystal system
—
4.5
Mohs hardness
—
3.01
Specific gravity
—
—
Streak
—
Vitreous, pearly on {0001}
Luster
—
On {0001}, excellent
Cleavage
—
R-3m
Space group
—
Alunite-beudantite
Structural group
—
Wdh · Approved
IMA
—
1937
Named in
—
Colorless, white, flesh-pink
Typical colors
—
Ca · Al · S · O · P · H
Elements
—