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  • CHALCOCITE Copper Sulfide
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    Chemistry Cu2S Copper Sulfide Class Sulfides Uses As a minor ore of copper and as mineral specimens Specimens Chalcocite is an important copper mineral ore It has been mined for centuries and is one of the most profitable copper or The reasons for this is its high copper content 67 atomic ratio and nearly 80 by weight and the...

  • Copper I sulfide
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    Copper I sulfide is a copper sulfide a chemical compound of copper and sulfurIt has the chemical compound Cu 2 S It is found in nature as the mineral chalcociteIt has a narrow range of stoichiometry ranging from Cu 1997 S to Cu 2000 S...

  • Mineralogy of Sulfides Elements GeoScienceWorld
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    Pyrite is the dominant sulfide in porphyry copper deposits though it is chalcopyrite that is the most important ore mineral along with bornite and various binary copper sulfid In the related porphyry molybdenum deposits it is molybdenite that dominat The sulfides in such deposits occur as veinlets or disseminated grains in host intrusions...

  • Lime use and functionality in sulphide mineral flotation
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    Nov 01 2019 0183 32 Nickel-copper sulphide ores can differ significantly in the mineralogy of both the sulphide and the gangue minerals Pentlandite is the major source of nickel and often carries with it cobalt or precious group elements in economic concentration...

  • The Sulfides
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    Cinnabar - This bright red mineral crystallizes around hot springs or hydrothermal veins It contains up to 85 mercury and is the worlds primary source of the element Mercury Galena is a coumpound of sulfur and lead It contains about 10 lead Lead Calcocite is the richest of copper ores containing about 80 copper It is a rare mineral and most of the known deposits have been mined out...

  • Chalcopyrite Mineral Uses and Properties
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    What is Chalcopyrite Chalcopyrite is a brass-yellow mineral with a chemical composition of CuFeS 2It occurs in most sulfide mineral deposits throughout the world and has been the most important ore of copper for thousands of years The surface of chalcopyrite loses its metallic luster and brass-yellow color upon weathering It tarnishes to a dull gray-green color but in the presence of...

  • Copper Ore Types Sulfides vs Oxides An Investor s
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    Copper sulfide ores are typically the most profitable These copper oxide ores are usually leached using sulfuric acid to liberate the copper minerals into a solution of sulfuric acid laden...

  • ENARGITE Copper Arsenic Sulfide
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    Enargite is related to the rare mineral wurtzite Wurtzite is a zinc sulfide with a formula of ZnS In enargite 75 of the zinc atoms are replaced by copper and 25 of the zinc atoms are replaced by arsenic Cu3AsS4 The similarity is easier to see if wurtzite s formula is rewritten as Zn4S4 The different elements however do not lend...

  • Leaching of Copper Sulphides
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    copper sulphide leaching options as alternatives to the more conventional pyrometallurgical processing route of copper sulphid Three copper sulphide leaching and refining processes are discussed total pressure oxidation ferric sulphate leaching and copper chloride leaching The effect of mineralogy...

  • Science Desk How Sulfide
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    May 08 2015 0183 32 Acidic conditions further catalyze these reactions making them proceed at faster rates than would otherwise occur Jennings et al 2008 The sulfide-ore copper mining industry has a disastrous track record A peer-reviewed report prepared by Earthworks studied fourteen sulfide-ore copper mines representing 89 of current US copper production...

  • Copper Ore Types Sulfides versus Oxides Nasdaq
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    Apr 23 2011 0183 32 Both ore types can be economically mined however the most common source of copper ore is the sulfide ore mineral chalcopyrite which accounts for about 50 percent of copper production...

  • Copper Sulfide Flotation
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    Copper Sulfide Flotation Circuit Beneficiation of Copper Sulfide by Flotation Copper due to the present world demand and price is of foremost interest to the mining industry Many new properties are either in the process of being brought into production or are...

  • Mining Industry Copper Sulfide Ore and Flotation Process
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    1 Types of copper sulfide ore 1 Single copper mineral Its ore characteristic is relatively simple and the only useful component that can be recycled is copper The gangue minerals are mainly quartz carbonate and silicate 2 Copper-sulfur ore Called copper-bearing pyrite In addition to copper minerals iron sulfide can be recovered and the main mineral of sulfur is pyrite...

  • Sulfide Minerals
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    Jul 01 2017 0183 32 Copper sulfides are a closely related mineral group and they often occur together In this bornite specimen are also bits of golden metallic chalcopyrite CuFeS 2 and areas of dark-gray chalcocite Cu 2 S The white matrix is calcite I m guessing that the green mealy-looking mineral is sphalerite ZnS but don t quote me...

  • Copper Mining and Extraction Sulfide Ores
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    The main ores of copper are sulfides and oxid From their chemical formulas you can calculate the percentage of copper in each mineral However this is not the same as the percentage of copper in the ore as that also contains unwanted silicates and other minerals called gangue that will have to...

  • Copper Sulfide Properties Risks and Uses Life Persona
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    The Copper sulphides Describe a family of chemical and mineral compounds with the formula Cu X S Y These compounds comprise economically important minerals and synthetic materials The most prominent copper sulphide minerals include copper I sulfide or cuprous sulfide of chemical formulaCu 2 S found in the calcosine mineral and the copper II sulphide or cupric sulfide of the...

  • Copper Statistics and Information
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    Copper is usually found in nature in association with sulfur Pure copper metal is generally produced from a multistage process beginning with the mining and concentrating of low-grade ores containing copper sulfide minerals and followed by smelting and electrolytic refining to produce a pure copper...

  • Direct extraction of copper from copper sulfide minerals
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    Here we provide the first demonstration that electrochemistry in Deep Eutectic Solvents can solubilise and directly recover high purity copper from solution from three copper sulfide minerals covellite CuS chalcocite Cu 2 S and chalcopyrite CuFeS 2 Cyclic voltammetry supported by EXAFS identifies the metal speciation in solution...

  • PDF Sulfide Mineral Oxidation
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    mineral is pyrite other important sulfide ore minerals include chalcopyrite copper ore molybdenite molybde- num ore sphalerite zinc ore galena lead ore and cin-...

  • Chalcopyrite Mineral Uses and Properties
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    What is Chalcopyrite Chalcopyrite is a brass-yellow mineral with a chemical composition of CuFeS 2It occurs in most sulfide mineral deposits throughout the world and has been the most important ore of copper for thousands of years The surface of chalcopyrite...

  • Copper Ore Types Sulfides vs Oxides An Investor s
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    Nov 10 2020 0183 32 Copper sulfide ores are typically the most profitable These copper oxide ores are usually leached using sulfuric acid to liberate the copper minerals into a solution of sulfuric acid laden...

  • PDF Leaching of Copper Sulphides
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    leaching of all copper sulphide minerals such a s chalcopyrite bornite c halcocite covell ite and digenite Valkama 2013 These leach conditions have delivered high recoveries of copper...

  • Sulphide Leaching
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    Methods of leaching sulphide ores can be in absence of oxidizing agents in presence of oxidizing agents Bacterial leaching Absence of oxidizing agents Acid leaching Dilute acids dissolve some metal sulphides with liberation of H2S eg ZnS 2H Zn2 H2S Three types of sulphides can be encountered Completely soluble sulphides Zns CoS NiS FeS Slightly soluble eg FeS2 Insoluble...

  • Copper sulfide
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    Goble RJ 1985 The relationship between crystal structure bonding and cell dimensions in the copper sulfid Canadian Mineralogist 23 61-76 Internet Links for Copper Sulphides Hide...

  • sulfide Definition Classes Formulas Facts Britannica
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    gt sulfides containing nickel copper and iron The most important nickel mineral is pentlandite Ni Fe 9 S 8 followed by pyrrhotite usually ranging from FeS to Fe 7 S 8 in which some of the iron may be replaced by nickel Chalcopyrite CuFeS 2 is the dominant copper mineral in these ores...

  • Copper I sulfide
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    Metallurgical ContentIron Pyrites or PyriteMarcasiteCopper Pyrites or ChalcopyritePyrrhotite or Magnetic PyritesBornite or Peacock Copper OreChalcocite or Copper...

  • Oxidation of Copper Sulfides and Secondary Sulfide
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    Secondary copper sulfide enrichment is widely accepted today as resulting from oxidation of copper sulfide minerals downward migration of soluble copper sulfates and precipitation as copper sulfide by reaction with primary sulfide minerals Chalcopyrite is replaced preferentially to pyrite Examples of sulfide enrichment above the water table...

  • MASSIVE SULPHIDE DEPOSITS
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    The main Ni- and Co-bearing mineral is pentlandite Fe Ni 9S2 while the main copper mineral is chalcopyrite CuFeS2 The deposits also typically contain a lot of pyrrhotite an iron sulphide that is of no commercial value but which is an important factor in exploration as it is magnetic and can be detected by magnetometer surveys see below...

  • Copper Mineral Uses and Properties
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    Copper s metallic luster attracted people s attention Today most copper is produced from sulfide or Copper is an excellent conductor of electricity Most copper mined today is used to conduct electricity - mostly as wiring It is also an excellent conductor of heat and is used in cooking utensils heat sinks and heat exchangers...

  • The Mineral Gallery
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    The Sulfide Class minerals comprise an economically important class of minerals Most major ores of important metals such as copper lead and silver are sulfid Strong generalities exist in this class The majority of sulfides are metallic opaque generally sectile soft to average in hardness and they have high densities black or dark-colored streaks and an igneous origin...

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