enargite

A Dictionary of Earth Sciences | 1999 | Copyright

enargite A sulphide mineral Cu3AsS4 and end-member of an isomorphous series, the other end-member being famatinite Cu3SbS4; sp. gr. 4.5; hardness 3; greyish-black; metallic lustre; occurs as irregular grains in association with other sulphides in copper-rich mineral deposits.

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AILSA ALLABY and MICHAEL ALLABY. "enargite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 10 Feb. 2010 <http://www.encyclopedia.com>.

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The Cerro de Pasco Group.(mining district in Peru)
Magazine article from: The Mineralogical Record July 1, 1997 700+ words ...chalcopyrite, chlorite, sericite, siderite and calcite. Enargite and enargite-tennantite ore occurs in steep veins in the vent...Ward, 1961). The vein minerals are pyrite-enargite, with minor quartz, barite and epidote. Zoning...
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Magazine article from: Mineralogical Record Anonymous July 1, 1997 700+ words ...are mesothermal and are dominated by enargite. The mesothermal deposits grade outward...1987a). The inner zone is called the Enargite Zone, and encompasses the major part...and 700 meters wide. In addition to enargite, associated sulfides include pyrite...
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Related entries from encyclopedias, dictionaries, and thesauruses

enargite
Book article from: A Dictionary of Earth Sciences enargite A sulphide mineral Cu 3 AsS 4 and end-member of an isomorphous series, the other end-member being famatinite Cu 3 SbS 4...
sulphides
Book article from: A Dictionary of Earth Sciences ...or ‘sulpho-salts’ in which metallic and metalloid or non-metallic elements are present in combination with sulphur, e.g. tetrahedrite (Cu 12 Sb 4 S 13 ) and enargite (Cu 3 AsS 4 or 3Cu 2 S.As 2 S 5 ).
famatinite
Book article from: A Dictionary of Earth Sciences famatinite See ENARGITE .

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