VS
Name
—
( ₀.₅Cu₀.₅)CuCdZn₂(AsO₄)₃·H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
3.5–4
Mohs hardness
—
4.2
Specific gravity
—
Pale blue
Streak
—
—
Luster
—
Good on {001}
Cleavage
—
I2/a
Space group
—
Alluaudite
Structural group
—
Key · Approved
IMA
—
1975
Named in
—
Deep sky-blue
Typical colors
—
Cu · Cd · Zn · As · O · H
Elements
—