Item talk:Q162234

Mindat Short Description

Atacamite Group.

A secondary copper mineral formed through the oxidation of other copper minerals, especially in arid, saline conditions. May be confused with brochantite.

May alter to malachite and chrysocolla, creating pseudomorphs.

Geoscience Ontology Status Notes

Blumenbach J F (1803) L'atacamit, sable vert d'Atacama, in Manuel D'Histoire Naturelle, Volume 2, Soulange Artaud (Paris) 348-349

IMA Formula (from Mindat)

Cu₂Cl(OH)₃

RRUFF Formula (from Geoscience Ontology)

Cu²⁺₂Cl(OH)₃

Additional References

• http://www.handbookofmineralogy.com/pdfs/atacamite.pdf

• http://www.webmineral.com/data/Atacamite.shtml