VS
Name
—
Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₈·11H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
2
Mohs hardness
—
3.25
Specific gravity
—
Pale green or pale blue
Streak
—
Vitreous, pearly on cleavages
Luster
—
On {001}, perfect, micaceous
Cleavage
—
P2/c
Space group
—
Tyrolite
Structural group
—
Tyl · Grandfathered
IMA
—
1817
Named in
—
Verdigris-green, pale apple-green, may be sky-blue; pale green in transmitted light
Typical colors
—
Ca · Cu · As · O · C · H
Elements
—