atacamite


Also found in: Dictionary, Wikipedia.

atacamite

[‚ad·ə′kam‚īt]
(mineralogy)
Cu2Cl(OH)3 Native, green hydrouscopper oxychloride crystallizing in the orthorhombic system.
References in periodicals archive ?
The DPG Phase II research indicated that, not only was seismic pumping a viable mechanism, but that it might also provide an alternative explanation for the formation of atacamite [[Cu.
Leachable copper minerals include chrysocolla, atacamite, brocanthite, malachite, and iron-copper oxides (wad).
The first drill hole (HDD039) has intersected a sequence of deeply weathered rocks containing a range of secondary copper minerals including native copper, atacamite and chalcocite.
If chloride ion is present in the leachate, as is common from atacamite in Chilean ores, the use of stainless steel permanent cathodes may require significant chloride bleed to maintain the low levels required.
It consists mainly of brochantite and a basic copper chloride called atacamite, CuCl.
Copper oxide mineralization consists of atacamite, malachite and chrysocolla.
Botallackite, a rare copper chloride trimorphous with atacamite and paratacamite, was named for the Botallack mine, Cornwall, England, where the first specimens were found in 1865.
The mineralisation is impregnated with malachite and atacamite, and the secondary copper silicate, chrysocolla.
In the late 19th century the world's finest atacamite specimens were collected in South Australia and found their way into many prominent collections.
The mineralization present is in the form of tenorite, cuprite, native copper, malachite, azurite and atacamite.
Associated with this material were atacamite, brochantite, claringbullite, gerhardtite and considerable amounts of connellite.