VS
Name
—
Cu₂Mg(AsO₄)(OH)₃
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Triclinic
Crystal system
—
5
Mohs hardness
—
3.71
Specific gravity
—
Sky-blue
Streak
—
Vitreous
Luster
—
—
Cleavage
—
P1
Space group
—
Gilmarite
Structural group
—
Arh · Approved
IMA
—
1981
Named in
—
Dark blue
Typical colors
—
Cu · Mg · As · O · H
Elements
—