Atacamite [ Cu2Cl(OH)3 ]

Material properties

Formula Cu2Cl(OH)3
Abbreviation Ata
IMA Status Grandfathered (pre-IMA), 1797
Crystal symmetry Orthorhombic
Classifications Minerals containing OH, Atacamite (group)
Related materials Botallackite, Clinoatacamite
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Halide, Hydroxide, Mineral

Composition

Element Atoms
H 3
Cl 1
O 3
Cu 2
Total: 9

Specimens of Atacamite

Name Owner Materials Phase purity Image
M0478 Atacamite CSIRO Atacamite (72.9%), Clinoatacamite, Paratacamite, Quartz 72.9
M0480 Atacamite CSIRO Aragonite, Atacamite (1.8%), Clinoatacamite, Cuprite, Malachite, Quartz 1.8