VS
Name
—
Ca₂CuAl(AsO₄)[AsO₃(OH)]₂(OH)₂·5H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Triclinic
Crystal system
—
2–3
Mohs hardness
—
3.084
Specific gravity
—
Very pale blue
Streak
—
Vitreous
Luster
—
Perfect on {001}
Cleavage
—
P-1
Space group
—
—
Structural group
—
Jot · Approved
IMA
—
2012
Named in
—
Sky-blue to greenish blue
Typical colors
—
Ca · Cu · Al · As · O · H
Elements
—