VS
Name
—
CuPb₄(SO₄)O₂(OH)₄·H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2
Mohs hardness
—
6
Specific gravity
—
Pale violet to white
Streak
—
Silky
Luster
—
On {100}, good
Cleavage
—
P2_1/c
Space group
—
—
Structural group
—
Ely · Approved
IMA
—
1971
Named in
—
Violet
Typical colors
—
Cu · Pb · S · O · H
Elements
—