VS
Name
—
PbAl₃(SO₄)(AsO₄)(OH)₆
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
3.71–3.96
Specific gravity
—
White
Streak
—
Dull in aggregates
Luster
—
—
Cleavage
—
—
Space group
—
Alunite-beudantite
Structural group
—
Hid · Approved
IMA
—
1953
Named in
—
White, pale green, pistachio-green, emerald-green
Typical colors
—
Pb · Al · S · O · As · H
Elements
—