Colorfull Bornite Peacock ore Extra large chalcopyrite bornite peacock ore chunk from Mexico Peacock Ore Bornite Bornite is a one of nature s most colorful minerals thats are copper iron sulfide named after the Austrian mineralogist Ignaz von Born 1742–91 A major ore of copper its natural color can be coppery red coppery brown

copper ore chalcocite bornite 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 Get Info

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Bornite has a brown to copper red color on fresh surfaces that tarnishes to various iridescent shades of blue to purple in places Its striking iridescence gives it the nickname peacock copper or peacock ore Mineralogy Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite

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 · This was followed by a 71 5 m interval of bornite mineralization with 1 36 copper content and 0 18 g t gold Hole OTD150 was drilled across BHP s drillhole OT10 and intercepted 70 m of chalcopyrite mineralization extending to 508 m along the axis of the borehole with an average copper content of 0 81 and gold content of 1 17 g t

Bornite has a brown to copper red color on fresh surfaces that tarnishes to various iridescent shades of blue to purple in places Its striking iridescence gives it the nickname peacock copper or peacock ore Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite

Copper is found in many minerals which occur in deposits large enough to mine These include azurite malachite chalcocite acantite chalcopyrite and bornite Most copper comes from chalcopyrite The world s leading producer of copper is Chile followed by the U S and Peru The majority of copper in the U S is produced in Arizona Utah

Bornite is an important copper ore mineral It ranks up there with many of the other copper ores such as chalcocite chalcopyrite covellite digenite cuprite and tetrahedrite As a mineral specimen bornite is usually lacking Good crystals are rare and thus bornite is commonly known as simply a massive mineral ore

Bornite Wikipedia Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyriteChalcopyrite and bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits Bornite is also found as disseminations in mafic igneous rocks in contact metamorphic skarn deposits in

Copper Ore Chalcocite Bornite Bornite is an important copper ore mineralt ranks up there with many of the other copper ores such as chalcocite chalcopyrite covellite digenite cuprite and tetrahedrite a mineral specimen bornite is

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 Chalcocite bornite idaite

Types of copper ore Oxides As mentioned copper oxide ores are not as attractive an exploration target as copper sulfide ores due to their lower grade However in some cases low grade copper

two main ores of copper gold mining IMPORTANT ORE MINERALS Mineralogy Petrology and The main ore minerals in bauxite are gibbsite bohmeite and diaspore Antimony The primary ore of Copper Most copper ore bodies are mined from minerals created by weathering of the primary copper ore mineral chalcopyrite Minerals in the enriched zone include chalcocite bornite djurleite Iron Two major

improvement of sulphide oxide copper ores processing through the use of mixed collector systems has surged The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench scale testing regime The

Extraction of copper from sufidic ores either by pyrometallurgy or hydrometallurgy has various limit ations In this study a solvometallurgical process for the extraction of copper from sulfidic ore minerals chalcopyrite bornite chalcocite and digenite was developed by

The main copper sulphide minerals are chalcopyrite CuFeS2 chalcocite Cu2S covellite CuS bornite Cu5FeS4 tetrahedrite Cu Fe 12Sb4S13 and enargite Cu3AsS4 The largest source of copper is from porphyry ore deposits in which one or a combination of

S or copper glance Malachite green CuCO 3 Cu OH 2 Azurite blue 2CuCO 3 Cu OH 2 Bornite 3Cu 2 S Fe2S 3 or peacock ore Melaconite CuO etc EXTRACTION OF COPPER FROM SULPHIDE ORE Large amount of copper are obtained from copper pyrite CuFeS2 by smelting Ores containing 4 or more copper are treated by smelting process Very poor ores

Copper Ores natural mineral formations containing sufficient copper to make economically feasible the extraction of the metal from these ores Of the 170 known copper bearing minerals 17 are currently used on an industrial scale native copper Cu bornite peacock ore Cu5FeS4 chalcopyrite copper pyrite CuFeS2 chalcocite copper glance Cu2S

The ore also carries about 1 5 per cent copper as copper pyrites In addition to nickel and copper these ores carry small values in gold silver and metals of the platinum family The ore bodies are found at or near the contact of a great norite mass with granite etc

characteristic crystalline form Ores are a mixture of minerals they are processed to yield an industrial mineral or treated chemically to yield a single or several metals Ores that are generally processed for only a single metal are those of iron aluminium chromium tin mercury manganese tungsten and some ores of copper Gold ores

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 The sulfides which yield most of the copper produced throughout the world generally

About 80 of all copper extracted comes from sulphide ores A typical ore contains only 0 5 to 2 0 copper It is a measure of the value of copper that it is worth extracting it from such small concentrations The ore is a mixture of minerals and rock called gangue The most common copper

Copper processing Copper processing Ores Principal forms in which copper ores are found include native copper porphyry copper massive deposits and mixed ores Native copper is simply the metal found unadulterated in nature Occasionally copper is still found in its native form but more frequently it is mixed with other minerals some of which may have value themselves

List of copper ores Jump to navigation Jump to navigation Jump to search Following is a list of minerals that serve as copper ores in the copper mining process Name Formula Copper when pure Chalcopyrite CuFeS 2 34 5 Chalcocite Cu 2 S 79 8 Covellite CuS 66 5 Bornite 2Cu 2 S·CuS·FeS 63 3 Tetrahedrite Cu 3 SbS 3 x Fe Zn 6

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

Bornite is an ore that belongs to the group of sulfur copper minerals It differs from other ores in its diversity The name of this ore comes from the mineralogist Ignaz von Born in fact it was named after him When this ore become dark tarnish or when it loses its colour it becomes metallic

copper ores chalcopyrite bornite chalcocite copper ore chalcocite bornite 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 Get Info

copper ore chalcocite bornite 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 Get Info

The barren rock or gangue has to be separated from the sulfide minerals in order to smelt the metallic copper from the ore By far the greatest proportion of copper is extracted from the sulfides of copper iron and sometimes other metals Such ores originate from sulfur bearing volcanic magmas which have separated into metal sulfides and siliceous melts

Moreover with the exception of Spain and Chili the United States has no serious rivals in copper production Montana and Michigan producing the greater part of the output The famous Calumet and Hecla mine in Michigan is now down 4 000 feet and still yields copper ore The most copper ores are not difficult to distinguish

Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite Chalcopyrite and bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits Bornite is also found as disseminations in mafic igneous rocks in contact

Erythrite is a cobalt arsenic ore Co 3 AsO 4 2 ·8H 2O sometimes found in association with copper ores Size 54 x 35mm Hydrated Cobalt Arsenate Co 3 AsO 4 2 8 H 2 O

Bornite is a multicolored copper iron sulfide mineral ore It was named after a mineralogist Ignaz von Born Its metallic finish when tarnished gives out magnificent colors of deep purples blues and reds You guessed that correct That s why it is called peacock ore

In the case of copper it is worth extracting when there is about 2 kg of copper per 1 000 kg of ore 0 2 Copper minerals are found in over one hundred varieties although only a few have been worked for copper on a large scale The most abundant ores are chalcopyrite and bornite which contain both copper and iron sulphides

The presence of sulfides in the ore can also have a significant impact on cyanidation of gold–copper ores Figure 43 4 shows the Eh–pH diagram for the system Download Download full size image Figure 43 4 Eh pH diagram for the Cu CN S H 2 O system at 25 °C after Osseo Asare et al 1984

In the case of copper it is worth extracting when there is about 2 kg of copper per 1 000 kg of ore 0 2 Copper minerals are found in over one hundred varieties although only a few have been worked for copper on a large scale The most abundant ores are chalcopyrite and bornite which contain both copper and iron sulphides

Copper is most commonly present in the earth s crust as copper iron sulphide and copper sulphide minerals for example chalcopyrite CuFeS2 bornite Cu5FeS4 and chalcocite Cu2S

SULPHIDE COPPER ORES The prin cipal sulphide copper ores of the United States are chalcocite or copper glance Cu S con taining 79 8 per cent of metallic copper enargite CuaAsS 48 3 per cent covellite CuS 66 4 per cent chalcopyrite or copper pyrites CuFeS 34 5 per cent bornite or peacock ore CtuFeS4 50 to 70 per cent

Three different stages are involved when extracting copper from non sulphide ores 1 Over a very long time and on a vast scale the reaction of the ore with a dilute acid such as dilute sulphuric acid produces an extremely dilute copper sulphate by solvent extraction 2 a By solvent extraction the copper sulphate is concentrated

Copper ore can be processed to copper concentrate or copper sand after beneficiation There are many kinds of copper ores such as pyritum chalcopyrite bornite cyprite chessylite covellite and malachite Copper ore can be used in metallurgical Industry and it is the main raw material of metallurgical Industry

bornite method of extraction Mining of copper ores is carried out using one of two methods Bornite Copper extraction techniques refers to the Live Chat Bioleaching of Copper from Low Grade Ore Bornite Bioleaching of Copper from Low Grade Ore Bornite Using Halophilic The traditional methods used for extraction of copper are either

Extracting copper from other ores Copper can be extracted from non sulphide ores by a different process involving three separate stages Reaction of the ore over quite a long time and on a huge scale with a dilute acid such as dilute sulphuric acid to produce a very dilute copper II sulphate solution

Cuprite a copper oxide which contains 89 per cent of copper This is the ore that is richest in copper frequently shading to crystals of native copper Chalcocite a copper sulphide containing 80 per cent of copper This is the richest commercial ore of copper and it yields more than one half of the world s entire copper supply

Collectable Copper Ores and Minerals This is a selection of the most commonly collected copper ores Also included are a few other interesting ores of metals often alloyed with copper such as zinc lead and bismuth Illustrations are being added where available