chalcocite

chalcocite
/kal"keuh suyt'/, n.
a common mineral, cuprous sulfide, Cu2S: an important ore of copper.
[1865-70; irreg. CHALCO- + (ANTHRA)CITE]

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Sulfide mineral, Cu2S, that may be an important ore of copper.

It belongs to a group of sulfide minerals formed at relatively low temperatures. Chalcocite alters to native copper and other copper minerals. Valuable deposits occur in Nevada and Arizona, where other components of the original rock have been dissolved away; chalcocite is also found with bornite in sulfide veins in Montana and Namibia.

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 sulfide mineral that is one of the most important ores of copper. Valuable occurrences include deposits of sulfide minerals at Ely, Nev., and Morenci, Ariz., where other components of the original rock have been dissolved away; it is also found with bornite in the sulfide veins of Tsumeb, Namibia, and Butte, Mont. For detailed physical properties, see sulfide mineral (table).

      Chalcocite (Cu2S) belongs to a group of sulfide minerals formed at relatively low temperatures (see also argentite (acanthite)). Chalcocite alters to native copper and other copper ores.

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Universalium. 2010.

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  • Chalcocite — Catégorie II : sulfures et sulfosels[1] Chalcocite St Agnes, Cornouailles Angleterre (9x7cm) …   Wikipédia en Français

  • Chalcocite — General Category Sulfide minerals Chemical formula copper(I) sulfide: Cu …   Wikipedia

  • Chalcocite — Chal co*cite, n. [Gr. chalko s brass.] (Min.) Native copper sulphide, called also {copper glance}, and {vitreous copper}; a mineral of a black color and metallic luster. [Formerly written {chalcosine}.] [1913 Webster] …   The Collaborative International Dictionary of English

  • chalcocite — [kal′kə sīt΄] n. [see CHALCO ] a dark gray, lustrous mineral, Cu2S, that is an ore of copper; cuprous sulfide …   English World dictionary

  • chalcocite — noun Etymology: alteration of chalcosine, from French, irregular from Greek chalkos Date: 1868 a black or gray lustrous metallic mineral that consists of a sulfide of copper and is an important copper ore …   New Collegiate Dictionary

  • chalcocite — noun Cuprous sulphide, CuS, an important ore of copper …   Wiktionary

  • chalcocite — Смотри Халькозин …   Энциклопедический словарь по металлургии

  • chalcocite — chal·co·cite …   English syllables

  • chalcocite — chal•co•cite [[t]ˈkæl kəˌsaɪt[/t]] n. mir a common mineral, cuprous sulfide, Cu2S: an important ore of copper • Etymology: 1865–70; chalco + (anthra) cite …   From formal English to slang

  • chalcocite — /ˈkælkəsaɪt/ (say kalkuhsuyt) noun a common mineral, cuprous sulphide, Cu2S, an important ore of copper …  

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