Assertion: chalcocite | /r/HasProperty | cu 2 s
Facets:
Source sentences:
text: The copper in chalcocite (Cu 2 S) from supergene enrichment and sedimentary copper deposits is hypothesized to be mobilized and transported by two different redox reactions.
text: Potential sulfur sources include free sulfur and sulfide minerals such as chalcopyrite (CuFeS2), chalcocite (Cu2S) and pyrrhotite (FeS), as well as their oxidation products, such as polysulfides and thiosulfate.
text: To be applicable to this process, the ores must contain copper minerals in sulfide form; as mineral such as Chalcocite (Cu 2 S), Chalcopyrite (CuFeS 2 ) and Covellite (CuS) .
text: An electrochemical and electron spectroscopy investigation of the interaction of diethyl dithiophosphate with chalcocite (Cu 2 S) at pH 9 has been undertaken in order to explore differences between submonolayers of thiol collectors adsorbed on sulfide minerals and the corresponding metal thiol compounds.
text: The results of the present study are compared with previous work on the fluidised-bed anodic dissolution of chalcocite (Cu 2 S).
text: Virtually all sulfide-type copper ores, including chalcocite (Cu 2 S), chalcopyrite (CuFeS 2 ) and covellite (CuS), are treated by smelting.
text: The concentration of copper in ores averages only 0.6%, and most commercial ores are sulfides, especially chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ) and, to a lesser extent, covellite (CuS) and chalcocite (Cu 2 S).
text: Other conductive minerals include Bornite (CuFeS 4 ), chalcocite (Cu 2 S), covellite (CuS), ilmenite (FeTiO 3 ), molybdenite (MoS 2 ), and the manganese minerals holandite and pyrolusite .
text: Virtually all sulfide-type copper ores, including chalcocite (Cu 2 S), chalcopyrite (CuFeS 2 ) and covellite (CuS), are treated by smelting.
text: Chalcocite, Cu 2 S, is another sulfide ore.
text: Associated copper minerals include the sulfides bornite (Cu 5 FeS 4 ), chalcocite (Cu 2 S), covellite (CuS), digenite (Cu 9 S 5 ); carbonates such as malachite and azurite, and rarely oxides such as cuprite (Cu 2 O).
text: Minerals such as the sulfides: chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ), covellite (CuS), chalcocite (Cu 2 S) are sources of copper, as are the carbonates: azurite (Cu 3 (CO 3 ) 2
text: Digenite (Cu 1.8 S) was the main reaction product at 160–212 °C, and chalcocite (Cu 2 S) at 225 °C.
text: The concentration of copper in ores averages only 0.6%, and most commercial ores are sulfides, especially chalcopyrite (CuFeS 2 ), bornite (Cu 5 FeS 4 ) and, to a lesser extent, covellite (CuS) and chalcocite (Cu 2 S).
text: Bornite (Cu 5 FeS 4 ), covellite (CuS) and chalcocite (Cu 2 S) are important sources of copper in the world and many ore bodies also contain some malachite (CuCO 3 .Cu(OH) 2 ), azurite (Cu 3 (CO 3 )2.Cu(OH) 2 ), cuprite (Cu 2 O), tenorite (CuO) and native copper.
text: Chalcocite (Cu2S) or djurleite (Cu1.96S) have been identified as products of reaction, although it is possible that a thin layer of a different copper-iron sulfide may form as an intermediate based on the color changes which appear after cathodic excursions.