E Amples Of Copper Sulfide Minerals

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Chemistry of Copper

The copper ores are mostly found in the north of India The extraction of copper also involves many steps The ore used for extraction is copper pyrites which is crushed concentrated and then heated in the presence of air During heating the moisture gets expelled and the copper pyrites gets converted to ferrous sulfide and cuprous sulfide

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Rock and Mineral Resources

The source of platinum and palladium deposits is ultramafic rocks which have enough sulfur to form a sulfide mineral while the magma is still liquid This sulfide mineral (usually pentlandite pyrite chalcopyrite or pyrrhotite) gains platinum by mixing with the bulk of the magma because platinum is chalcophile and is concentrated in sulfides

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Mineralogical Society of America

Volume 61 Sulfide Mineralogy and Geochemistry David J Vaughan editor 2006 i-xiii + 714 pages ISBN 0-939950-73-1 ISBN13 978-0-939950-73-7 The importance of sulfide minerals in ores has long been and continues to be a major reason for the interest of mineralogists and geochemists in

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Sulfides

Group of minerals that are compounds of one or more metallic elements combined with the non-metallic element sulfur The sulfur acts as a semi-metal when it combines to form a sulfide mineral In some sulfides the semi-metals arsenic antimony selenium and tellurium substitute for the sulfur

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EPITHERMAL QUAR TZ

EPITHERMAL QUAR TZ-ALUNITE AU DEPOSITS (MODEL 25e Berger 1986) by Geoffrey S Plumlee Kathleen S Smith John E Gray and Donald B Hoover SUMMARY OF RELEVANT GEOLOGIC GEOENVIRONMENTAL AND GEOPHYSICAL INFORMATION Deposit geology Central advanced argillic zone has iron- copper- and arsenic-rich sulfide and sulfosalt minerals with high acid-

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Sulphide

Likewise copper and PGE do not easily partition into silicate minerals but they readily enter magmatic sulfide with copper entering sulfide with a partition coefficient of about 2000 Pt with a coefficient of about 20 000 and Pd with a coefficient of almost 100 000 (Peach et al 1990)

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Flotation of Copper Sulfide Ores

Sulfide copper ores are considered easy to treat provided that the main copper mineral is chalcopyrite In case the ore contains secondary copper minerals such as chalcocite bornite and covellite depression of pyrite may be a problem because the pyrite can be activated by copper ions generated during the grinding operation

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Flotation Behavior of Complex Sulfide Ores in the Presence

As for zinc Figure 10 shows that at 50 g/ton of chitosan the recovery of zinc in the froth increased by 40% compared to NaCN at its optimum dosage which is undesirable in the differential flotation of sulfide minerals where lead and copper sulfides are floated in the first flotation stages while sphalerite is depressed Results also revealed

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Chemistry Question Give the formula of each of the

Sep 11 2010Chemistry Question Give the formula of each of the following copper minerals ? Cuprite copper ( roman numeral 1) oxide Chalococite Copper( 1) Sulfate Covellite copper (1) sulfide The roman numeral designate the charge on copper not the number of copper

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Copper Statistics and Information

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

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Copper Mineral Data

Cap rock of copper sulfide veins and in some types of volcanic rocks IMA Status Valid Species (Pre-IMA) Prehistoric Locality McDougall Minerals Google Search for Copper Mineral News Website Link Rock and Mineral Shows Google Search for Copper Weinrich Minerals Inc Google Search for Copper

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US20100242681A1

Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue According to the method a gold-bearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102

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copper sulfide definition of copper sulfide and synonyms

Prominent copper sulfide minerals include Cu 2 S and CuS 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

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Ore deposit

The principal tin mineral is cassiterite or tinstone (SnO 2) a naturally occurring oxide of tin containing about 78 8 percent tin Of less importance are two complex sulfide minerals stannite (Cu 2 FeSnS 4) a copper-iron-tin sulfide and cylindrite (PbSn 4 FeSb 2 S 14) a lead-tin-iron-antimony sulfide These two

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Copper Mining and Processing Resources and Glossary

mineral resource A concentration or deposit of minerals in the earth's crust which is potentially valuable native copper An uncombined (pure) form of copper which occurs as a natural mineral Copper is one of the few metallic elements to occur in native form although it most commonly occurs in oxidized states and mixed with other elements

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Copper Sulfide Ore

The concentration of these minerals in an ore body is low Typical copper ores contain from 0 5% Cu (open pit mines) to 1 or 2% Cu (underground mines) Cu-Fe-S minerals are not easily dissolved by aqueous solutions so the vast majority of copper extraction from these minerals is pyro-metallurgy (Excerpt from Extractive Metallurgy of Copper)

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Copper

2 U S Geological Survey Mineral Commodity Summaries 2016 Manufacture of copper About 80% of the world's primary copper comes from ores in which copper is present as a sulfide mineral for example chalcopyrite (CuFeS 2) (the most abundant copper ore) bornite (Cu 5 FeS 4) and chalcocite (Cu 2 S) These ores contain typically only about 0 5

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Examples of copper sulfide minerals

The sulfide minerals and the PGMs are isolated together in concentrates mostly by froth flotation This is because the PGMs occur (a) as mineral grains of PGMs in or near mineral grains of iron nickel and copper sulfides and (b) in solid solution in the sulfide minerals containing iron nickel and copper – particularly in pentlandite

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Copper

Copper Copper (Cu) is an extremely useful industrial metal that is ductile (capable of being drawn into wire) malleable (capable of being hammered and molded) and an excellent conductor of electricity (only silver is better) Copper is found in many minerals that occur in deposits large enough to mine

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Copper production environmental impact

• Copper minerals are divided up into three groups - Primary or hypogene minerals found at great depths - Oxidised copper minerals commonly formed by copper sulfides exposed to erosion - Copper secondary sulfides formed from leaching of sulphides exposed near the earth's surface • The most common commercial minerals are

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Reading Ore Genesis

The source of platinum and palladium deposits is ultramafic rocks which have enough sulfur to form a sulfide mineral while the magma is still liquid This sulfide mineral (usually pentlandite pyrite chalcopyrite or pyrrhotite) gains platinum by mixing with the bulk of the magma because platinum is chalcophile and is concentrated in sulfides

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CA2945354A1

A method of depressing copper sulfides and iron sulfides in a molybdenite floatation recovery process uses alkaline or alkaline earth potysulftdes at high concentrate pH The method of enriching molybdenite content from a slurry having molybdenite and at least one of iron sulfides and copper sulfides can include the steps of adding an effective amount of a depressing reagent selected from one

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sulfide mineral

Sulfide mineral any member of a group of compounds of sulfur with one or more metals Most of the sulfides are simple structurally exhibit high symmetry in their crystal forms and have many of the properties of metals including metallic luster and electrical conductivity

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What Is the Difference Between Sulfate Sulfide and

Organic sulfides are compounds in which sulfur is bonded to two organic groups Inorganic sulfides are ionic compounds or salts which contain a negatively charged sulfide ion Phosphine sulfides occur when the sulfur atom reacts with organic phosphines Examples of sulfides include zinc copper

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Properties of Copper Ores

Properties of Copper Ores The Problem Minerals from which copper can be extracted to make money are called copper ores There are several copper ores but they all fall into two main categories oxide ores and sulfide ores Oxide ores contain oxygen Sulfide ores contain sulfur Azurite malachite and chrysocolla are a few examples of oxides ores

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OXIDATION OF SULFIDE MINERALS V GALENA

OXIDATION OF SULFIDE MINERALS V GALENA SPHALERITE AND CHALCOGITE H F STEGBR eup L E DESJARDINS Mineral Sciences Laboratories Canada Centre lor Mineral and Energy Technology Department ol Energy Mines and Resources Ottawa Ontaio KIA OGI AssrRecr Samples of galena sphalerite and cbalcocite were

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Sulfides Selenides and Tellurides rebellious and

Well sulfides selenides and tellurides are simply minerals which contain sulfur selenium and tellurium combined with some metal Unusually this is the metal we are interested in but sometimes other valuable metals can be mixed in as trace elements An example of this is when gold occurs disbursed through a crystal of pyrite

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Copper Concentrates

For special native copper bearing ore bodies or sections of ore bodies rich in supergen native copper this mineral can be recovered by a simple gravity circuit Application Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper iron and sulfide

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Chalcopyrite Mineral Uses and Properties

Chalcopyrite is a brass-yellow mineral with a chemical composition of CuFeS 2 It 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

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10 Minerals That Have Metallic Luster

Luster the way a mineral reflects light is the first thing to observe in a mineral Luster can be bright or dull but the most basic division among the various types of luster is this Does it look like a metal or not?The metallic-looking minerals are a relatively small and distinctive group worth mastering before you approach the nonmetallic minerals

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Copper Mining and Extraction Sulfide Ores

The main ores of copper are sulfides and oxides 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

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Agitated Copper Leaching Cementation Process

Copper Agitated Leaching and cementation process of copper problem The treatment of copper ores both oxides and sulfides by means of flotation hydrometallurgy or other processes has been well established for many years Flotation has been applied generally to the treatment of sulfide ores both in small and large scale operations

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