VS
Name
—
Cu₄(AsO₄)₂(OH)₂·2.5H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
3.67
Specific gravity
—
—
Streak
—
Pearly to greasy
Luster
—
May exhibit parting ⊥ elongation
Cleavage
—
—
Space group
—
—
Structural group
—
Ssh · Approved
IMA
—
1967
Named in
—
White to pale green
Typical colors
—
Cu · As · O · H
Elements
—