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Copper sulfide information


Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores.

Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS (covellite). In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper-iron sulfides, are often referred to as "copper sulfides". In chemistry, a "binary copper sulfide" is any binary chemical compound of the elements copper and sulfur. Whatever their source, copper sulfides vary widely in composition with 0.5 ≤ Cu/S ≤ 2, including numerous non-stoichiometric compounds.

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Copper sulfide

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Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Both minerals and synthetic materials comprise these compounds...

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Copper monosulfide

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hydrogen sulfide, H2S, is bubbled through solutions of Cu(II) salts. It is one of a number of binary compounds of copper and sulfur (see copper sulfide for...

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Sulfide

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of sulfide salts are corrosive. Sulfide also refers to large families of inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide. Hydrogen...

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Copper extraction

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to bond more efficiently to the copper sulfides. The process can produce a concentrates with 27–29% and 37–40% copper contents from chalcopyrite and chalcocite...

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Chalcopyrite

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(/ˌkælkəˈpaɪˌraɪt, -koʊ-/ KAL-kə-PY-ryte, -⁠koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS2...

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Cobalt extraction

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by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite. The calcine...

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Chalcocite

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Chalcocite (/ˈkælkəˌsaɪt/), copper(I) sulfide (Cu2S), is an important copper ore mineral. It is opaque and dark gray to black, with a metallic luster....

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Covellite

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Covellite (also known as covelline) is a rare copper sulfide mineral with the formula CuS. This indigo blue mineral is commonly a secondary mineral in...

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Hydrogen sulfide

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various metals including copper and silver; the chemical responsible for black toning found on silver coins is silver sulfide (Ag2S), which is produced...

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Copper

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copper sulfides. There are 29 isotopes of copper. 63 Cu and 65 Cu are stable, with 63 Cu comprising approximately 69% of naturally occurring copper;...

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Cuprite

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which forms in the oxidized zone of copper sulfide deposits. It frequently occurs in association with native copper, azurite, chrysocolla, malachite, tenorite...

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Extractive metallurgy

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which could be recovered from solution. During extraction of copper from copper sulfide minerals with Ethaline, chalcocite (Cu2S) and covellite (CuS)...

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Ore genesis

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are ore minerals that form in this way. Liquid immiscibility: sulfide ores containing copper, nickel, or platinum may form from this process. As a magma...

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Froth flotation

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recovery and upgrading of sulfide ores". The development of froth flotation has improved the recovery of valuable minerals, such as copper- and lead-bearing minerals...

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Smelting

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the ore. Sulfide ores such as those commonly used to obtain copper, zinc or lead, are roasted before smelting in order to convert the sulfides to oxides...

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Pyrometallurgy

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can be maintained such that a mixed sulfide feed (for instance a feed containing both copper sulfide and iron sulfide) reacts such that one metal forms...

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Acid mine drainage

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commonly mined ore of copper, chalcopyrite, is itself a copper-iron-sulfide and occurs with a range of other sulfides. Thus, copper mines are often major...

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Thermoelectric materials

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order to develop a device with a ZT value of 0.43. Bornite (Cu5FeS4) is a sulfide mineral named after an Austrian mineralogist, though it is much more common...

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Copper mining in Michigan

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than the copper oxides or copper sulfides that form the copper ore at almost every other copper-mining district. The copper deposits occur in rocks of...

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Ore

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mineral. Minerals of interest are generally oxides, sulfides, silicates, or native metals such as copper or gold. Ore bodies are formed by a variety of geological...

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Zinc sulfide

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around 590 nanometers. Copper gives a longer glow, and it has the familiar greenish glow-in-the-dark. Copper-doped zinc sulfide ("ZnS plus Cu") is used...

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Turquoise

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relatively oxidized. The copper is redeposited in more concentrated form as a copper porphyry, in which veins of copper sulfide fill joints and fractures...

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Copper conductor

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circuit Copper cable certification Copper sulfide Copper-clad aluminium wire Copper-clad steel Galvanization Magnet wire Mineral-insulated copper-clad cable...

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Selenide

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partially substitutes for sulfide in many sulfide minerals. The degree of substitution is only of commercial interest for copper sulfide ores, in which case...

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Bingham Canyon Mine

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million tons of it each year. Left behind is a molten copper sulfide called matte. The 70-percent-copper matte is water-quenched to form a sand-like solid...

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