VS
Name
—
Cu₂Cl(OH)₃
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
3.6
Specific gravity
—
—
Streak
—
—
Luster
—
One direction, good, ⊥ Z
Cleavage
—
P2_1/m
Space group
—
Atacamite
Structural group
—
Blk · Grandfathered
IMA
—
1865
Named in
—
Mountain-green, bluish green to green; pale bluish green in transmitted light
Typical colors
—
Cu · Cl · O · H
Elements
—