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