copper ore chalcocite bornite

Solvometallurgical process for extraction of copper from ...

Copper can be extracted from various types of ores, most of which belong to the sulfidic ores such as chalcopyrite, bornite, covellite, digenite and chalcocite. Chalcopyrite is the most common copper-bearing mineral and accounts for approxi-mately 70% of the copper deposits in the world.1 At present,

chalcocite | Beneficiation Equipment

Aug 05, 2013· Copper ore comes from copper mine, which can become high grade concentrate copper or copper sand. Concentrate copper ore can be refined copper and copper products by smelting Commission. Copper ore species mainly contain natural copper, chalcopyrite, bornite, chalcocite, covellite, and azurite. They are mainly applied in the field of copper ore ...

bornite mineral data

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 … »More detailed. Get Price; Bornite | Article about Bornite by The Free Dictionary. 2020-3-12 · Bornite is an important copper ore mineral and occurs widely in porphyry copper ...

Higley Copper | Copper Mining in Connecticut

To a lesser extent these mines produced native copper, cuprite (red copper ore), chalcopyrite (copper pyrite) and malachite (green copper ore). Chalcocite was the principle ore of the Simsbury Mines, and bornite was the principle ore at the Bristol Mine.

Butte, Montana Copper Ores Illustrating Replacement Textures

Bornite occurs as abundant irregularly shaped replacement remnants ("sea islands") that are being replaced by chalcocite. This polished section has been freshly polished and therefore the bornite is still tan in color. Butte, Montana copper ores. Ore microscopy, reflected light, medium magnification.

Origins of Chalcocite Defined by Copper Isotope Values

Although the degree of enrichment (fractionation factor) is different for a variety of copper sulfides (chalcopyrite, chalcocite, bornite, and enargite), in each case, the reactions produce cupric copper (Cu +2) in solution which always has greater than the starting mineral.

CHALCOPYRITE: The World's Most Important Ore of Copper for ...

Apr 20, 2017· Chalcopyrite can oxidize to form other secondary minerals including malachite, azurite, and cuprite. Associated ore minerals include pyrite, sphalerite, bornite, galena, and chalcocite. Many malachite, azurite, covellite, and cuprite deposits also contain this secondary copper mineral.

IN THEVIRGILINA DISTRICT, IA -r It is estimated that

the veins. Part of the bornite, chalcocite, and ~~alcopyrite _andbll of the_pyrite, klaprothite (?), argentite, native copper, and gold are primary ore minerals, whereas part of the chalcocite, bornite, and chalcopyrite and all the native silver, cuprite, malachite, azurite, and chrysocolla are secondary

Bornite peacock ore: The mineral Bornite information and ...

Bornite is an ore mineral of copper, and is known for its iridescent tarnish. "Peacock Ore", which is sold to amateur mineral collectors and tourists, is often labeled as a variety of Bornite.However, most Peacock Ore in reality is Chalcopyrite treated with acid, which produces a strongly-colored iridescent tarnish.Bornite is named for Ignatius von Born, an Austrian mineralogist and ...

Chalcocite: The mineral Chalcocite information and pictures

Chalcocite forms from the alteration of other minerals, especially other copper sulfides such as Bornite, Covellite, and Chalcopyrite, and may also form pseudomorphs after these minerals. It often forms in association with Chrysocolla, with the Chrysocolla forming as an alteration around the Chalcocite.Chalcocite is named after the Greek word chalcos, which means "copper" in Greek, in …

Chalcocite | mineral | Britannica

Chalcocite, sulfide mineral that is one of the most important ores of copper.Valuable occurrences include deposits of sulfide minerals at Ely, Nev., and Morenci, Ariz., where other components of the original rock have been dissolved away; it is also found with bornite in the sulfide veins of Tsumeb, Namibia, and Butte, Mont. For detailed physical properties, see sulfide mineral (table).

Where to Find Copper, Nickel, and Cobalt Deposits in Canada

Oct 05, 2016· The Sudbury area has produced large quantities of copper from its copper-nickel ores. Deep diamond drilling has indicated that these ore-bodies may change at depth into richer copper ores. — In the Parry Sound District, bornite, chalcocite, and copper pyrites are found in disseminated zones in schistose diorite and garnetiferous gneiss ...

Chalcocite - Wikipedia

Chalcocite (UK: / ˈ k æ l k ə ˌ s aɪ t /), copper(I) sulfide (Cu 2 S), is an important copper ore mineral. It is opaque and dark-gray to black with a metallic luster.It has a hardness of 2 1 ⁄ 2 - 3 on the Mohs scale.It is a sulfide with an orthorhombic crystal system.. The term chalcocite comes from the alteration of the obsolete name chalcosine, from the Greek khalkos, meaning copper.

Peacock Rock - Geology In

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 ...

Bornite - an overview | ScienceDirect Topics

In all the stratabound sediment-hosted copper orebodies, the primary hypogene mineralogy consists mainly of the copper, copper-iron and iron sulfides, chalcocite, bornite, chalcopyrite and pyrite. Where cobalt is present, it usually occurs as the cobalt-copper sulfide carrollite, Cu(Co,Ni) 2 S 4 (Fig. 8 A).

Chalcopyrite | Physical - Optical Properties, Occurrence, Uses

The minerals commonly associated with chalcopyrite include pyrite, bornite, chalcocite, galena, and sphalerite. Uses Area. The most important use of chalcopyrite is an ore of copper for five thousand years. Some chalcopyrite ores consist of some amount of zinc substituting for iron. Some chalcopyrite ores consist of sufficient mining silver or ...

Mining Industry | Copper Sulfide Ore and Flotation Process ...

Jul 09, 2019· (3) Bornite ore (Cu5FeS4) The bornite has the original type and associated type, its floatability performance is between the chalcocite and chalcopyrite. Other copper sulfide minerals, such as covellite (CuS), are similar in floatability to chalcopyrite.

Chalcocite Crystals of Bristol Copper Mines | Rock & Gem ...

Aug 13, 2018· This variegated copper ore ran a remarkable 70% copper as chalcocite and bornite had crystallized in the sandstone, where they formed thick veins and crystal-lined pockets. To give you some idea of how rich this Bristol ore was, today's copper mines run about 3% copper! The Bristol deposit also yielded silver in reasonable quantities.

Investigation of Copper Recovery from a New Copper Ore ...

of inferred resources, giving 66 million tonnes of copper ore. This ore contains approximately from 0.5% to 6% copper, which varies significantly based on geographical location. The copper mineralogy mainly consists of chalcopyrite, chalcocite and bornite [1], and the ore has very little inclusion of iron

Bornite - Mindat.org

Bornite crystal from Messina No 5 Shaft. Although bornite and chalcocite were two of the main copper ore minerals at Messina, euhedral crystals of any size are rare (unlike chalcopyrite which is more common as collectable crystals, but still relatively uncommon), 2.4 cm.

Index Bornite Mine Near Index, Washington | The Diggings™

The Index Bornite Mine is a underground mining operation. Mine operations consist of surface and underground workings. There is one known shaft. Subsurface depth reaches a maximum of 21 meters (70 feet) and extends 213 meters (700 feet) in length. The ore mined is composed of chalcocite, bornite and chalcopyrite with waste material consisting ...

Investigation of Copper Recovery from a New Copper Deposit ...

Feb 16, 2019· As mentioned in the earlier work [2,3], a new Nussir copper mine located in northern Norway is planning to begin its production in the near future. The copper minerals (chalcopyrite, chalcocite and bornite) are uniformly distributed in all size ranges in the ore …

Butte, Montana – The Richest Hill on Earth

The Intermediate zone was characterized by ore shoots of enargite-chalcocite, bornite-chalcocite with increasing sphalerite outward (Czehura, 2006). The outer or Peripheral zone was nearly absent of copper but heavily mineralized in sphalerite and rhodochrosite with supergene native silver and smaller quantities if acanthite, stephanite, and ...

bornite(Cu3FeS3)is copper ore used in the production of ...

Jun 13, 2011· From 3.88 metric tons of bornite, 1.64 tons of pure copper would be produced. ... Chem. Chalcocite is an ore from which copper can be extracted for commercial use. The formula for this important ore is Cu2S. In the laboratory it is formed by the following reaction: 2Cu + S → Cu2S The reaction takes place in

Solvometallurgical process for extraction of copper from ...

Dec 13, 2019· Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxidizing agent and ethylene glycol (EG) as organic solvent).

12. Supergene Ore and Gangue Characteristics

Supergene Ore and Gangue Characteristics By Randolph A. Koski 12 of 21 ... copper and other metals are mobilized from primary massive ... ment rims of bornite, covellite, or chalcocite on chalcopyrite are frequently observed indicators of incipient supergene alter-ation. Chalcocite typically occurs as soft sooty coatings on

MINING IN THE LOWER COPPER RIVER BASIN, By FRED H. …

The copper ores of the district extending from Kotsina River to Nizina are chiefly bornite, chalcopyrite, chalcocite, and oxidation products such as malachite, azurite, and covellite. Native copper, enargite, copper oxides, and some other copper-bearing minerals,