Atacamite

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Atacamite is a copper halide mineral: a copper(II) chloride hydroxide with formula Cu2Cl(OH)3.

It was first described for deposits in the Atacama Desert of Chile in 1801.[1]

Atacamite is polymorphous with botallackite, clinoatacamite, and paratacamite.[1] Atacamite is a comparatively rare mineral, formed from primary copper minerals in the oxidation or weathering zone of arid climates. It has also been reported as a volcanic sublimate from fumarole deposits, as sulfide alteration products in black smokers and as alteration of ancient bronze and copper artefacts.[2] It occurs in association with cuprite, brochantite, linarite, caledonite, malachite, chrysocolla and its polymorphs.[2]

File:Atacamite-168148.jpg
Atacamite from Mt. Gunson, South Australia

It has been shown that atacamite is a component of the jaws of some Glycera species.[4]

References

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External links

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  1. 1.0 1.1 1.2 Atacamite on Mindat.org
  2. 2.0 2.1 2.2 Handbook of Mineralogy
  3. Atacamite on Webmineral
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