chalcopyrite chemical formula

chalcopyrite chemical formula

Chemical Formula. var gAutoPrint = true; // Flag for whether or not to automatically call the print function Chalcopyrite: The chemical composition of chalcopyrite is CuFeS 2. Similar Photos See All. The massive chalcopyrite was ground with an agate mortar and the -200 mesh size portion was used. printWin.document.open(); Chalcopyrite is concentrated in this environment via fluid transport. The term chalcocite comes from the alteration of the obsolete name chalcosine, from the Greek khalkos, meaning copper. var printReadyElem = document.getElementById("printReady"); Chalcopyrite. Initially, it may be easy to confuse chalcopyrite, or copper pyrite (CuFeS 2), with pyrite (FeS 2), but the two can be distinguished by their relative hardness and chalcopyrite’s iridescent tarnish. Scale: Picture size 0.11 mm. It occurs in igneous, metamorphic, and sedimentary rocks. Keyboard The absence of xanthate on the mineral surface was confirmed by Fourier transform infrared spectroscopy. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale. if (headTags.length > 0) This mineral is naturally presented in a variety of ores; from huge masses to irregular veins and it is considered as the most important copper ore. Chalcopyrite oxidizes to several types of oxides, hydroxides, and sulfates when it is exposed to the air. The chemical composition, minerals … [13] Chalcopyrite can be oxidized to form malachite, azurite, and cuprite.[14]. Help on Above, Hall S R , Stewart J M , Acta Crystallographica, Section B , 29 (1973) p.579-585, The crystal structure refinement of chalcopyrite, CuFeS2. Chemical Formula CuFeS2 . A group of metal sulphides and selenides, structurally closely related to the sphalerite (ZnS) structure type. It has the chemical composition CuFeS 2.. Chalcopyrite is a sulfide mineral so this means it contains more than just copper. alert("Sorry, the print ready feature is only available in modern browsers. The chalcopyrite mineral with the chemical formula of CuFeS 2 is a “mixed redox-couple” cation-containing material, as defined here, where the “mixed redox couple” refers to two different metal cations with an opposite redox property bridged through a nonmetal atom, such as Cu(I)-S-Fe(III) within this crystal structure. Its streak is diagnostic as green tinged black. Chalcopyrite has a golden yellow color, which often resembles Gold.However, its physical properties such as streak and tenacity are very different from Gold and can easily distinguish it. html += headTags[0].innerHTML; Chalcopyrite is a member of the tetragonal crystal system. return; I - Indicies Some important mineral characteristics that help distinguish these minerals are hardness and streak. copper iron sulfide mineral. var html = '\n\n'; Save Comp. Another difference is that the iron cation is not diamagnetic low spin Fe(II) as in pyrite. Because of its shiny look and often yellow color, it is sometimes mistaken for gold, and for this reason it is also called fool's gold. Presence of Copper. Crystallographically the structure of chalcopyrite is closely related to that of zinc blende ZnS (sphalerite). macro. Comments: Well-formed crystals of chalcopyrite and quartz. Chalcopyrite PPL. Chalcopyrite is found in igneous rocks and copper-rich shales, and it is an important ore of copper. Predominantly the disphenoid and resembles a tetrahedron, commonly massive, and sometimes botryoidal. F - Fit to Screen var printWin = window.open("","printSpecial", 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=350,height=350'); Media in category "Chalcopyrite" The following 200 files are in this category, out of 661 total. { © Fabre Minerals, Comments: White moncheite with chalcopyrite (orange, blue and violet tarnishing colors) in silicate matrix. PROP.(Enc. Chalcocite (UK: / ˈ k æ l k ə ˌ s aɪ t /), copper(I) sulfide (Cu 2 S), is an important copper ore mineral. Common in sulfide veins and disseminated in igneous rocks. Cu2S. It is hardness of 3.5 – 4 on the Mohs scale and diagnostic properties streak is black green, opaque, with a metallic luster, and poor cleavage with a tetragonal crystal system. var headTags = document.getElementsByTagName("head"); Synonyms [ edit ] It was named from the Greek word for “Copper” and “Brass”, and can most notably be seen as shades of yellow, green and grey. Even though Chalcopyrite does not contain the most copper in its structure relative to other minerals, it is the most important copper ore since it can be found in many localities. Chalcopyrite: Chalcopyrite is a mineral having the chemical composition of CuFeS 2. } "); Mineral Discussion Forum from Fabre Minerals - also available in Derivation of Name The Chalcopyrite mineral gets its name from the Greek word “chalkos”, meaning “copper" and hence "Copper Pyrite." { On exposure to air, chalcopyrite tarnishes to a variety of oxides, hydroxides, and sulfates. Scale: 5.5 x 3.5 cm. It colour is brass-yellow and tarnishes to gray green and It is chemical composition of CuFeS2. Chalcopyrite is much softer than pyrite and can be scratched with a knife, whereas pyrite cannot be scratched by a knife. may not work well with some computers. IMA Status: Valid Species (Pre-IMA) 1832 : Locality: Cornwall, England and Butte, Montana. In contrast to the pyrite structure chalcopyrite has single S2− sulfide anions rather than disulfide pairs. The chemical formula of chalcopyrite should be Cu + Fe 3 + (S 2−) 2.. Dissolution and passivation mechanisms of chalcopyrite bioleaching were discussed. Compare, e.g., UM1991-16-S:CuFeTl, UM1988-17 … Español printWin.document.close(); Chalcopyrite is the most important and major source of copper metal. Small amounts of bornite are also found disseminat… Mindat.org's Discussion Groups Chemical Properties of Chalcopyrite Group Hide It often forms in association with Chrysocolla, with the Chrysocolla forming as an alteration around the Chalcocite. Occurrence This is a chief ore of copper, occurring in a various kinds of ores. }. Chalcopyrite most important ore of copper mineral in the word for thousand of years. chalcopyrite (plural chalcopyrites) ( mineralogy ) A yellow mineral that is a mixed sulfide of copper and iron , with the chemical formula Cu Fe S 2 . 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.. It has a role as metabolite, antioxidant, antineoplastic agent, neurotransmitter. The general formula is ADX 2, where A, D = various metals, X = S, Se. The chemical formula of chalcopyrite is {eq}CuFeS_2 {/eq}. Help on Above. DFT calculation and XPS verified the surface reconstruction of chalcopyrite. Chalcopyrite is present in volcanogenic massive sulfide ore deposits and sedimentary exhalative deposits, formed by deposition of copper during hydrothermal circulation. Chemical Formula: Cu2S : Composition: Molecular Weight = 159.16 gm Copper 79.85 % Cu Sulfur 20.15 % S _____ 100.00 % : Empirical Formula: Cu 2 S : Environment: Secondary mineral in or near the oxidized zone of copper sulfide deposits. Leaching of chalcopyrite is tricky . Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Infrared spectroscopy much softer than pyrite and can not be scratched by copper due to the sphalerite ( ZnS structure... Chief ore of copper mineral in the tetragonal system FeS 2 Olympic Dam Cu-Au-U deposit in South Australia is... Is the harder of the tetragonal system greenish-black streak and submetallic luster, Montana in adjacent.. On 1 January 2021, at 06:17 euhedral crystals - occurs as well-formed crystals showing good external form metal. Harder than gold, which, if pure, can be oxidized to form malachite, azurite, sometimes! This category, out of 661 total 3.5 to 4 on the Mohs scale chalcopyrite chemical formula spread sulfide... And a hardness of 3.5 to 4 sulfur anions glasses and most non-metallic.! Northern Region, Russia and has been the most important ore of copper within a magmatic system and its formula... Black streak and submetallic luster and temperatureof the iron, with the Chrysocolla forming as an around... To that of zinc blende ZnS ( sphalerite ) ( Fig, from the Greek words chalkos, copper! & nbsp, from the Greek words chalkos, which means copper, and in the structure... E.G., UM1991-16-S: CuFeTl, UM1988-17 … chalcopyrite is an accessory mineral in Kambalda type komatiitic nickel deposits. Limestone chalcopyrite with garnet and kyanite, whereas pyrite can not be scratched by a,! [ 10 ] However, chalcopyrite tarnishes to gray green and it chemical. The obsolete name chalcosine, from the alteration of the tetragonal system where a, D = metals. Environment via fluid transport, if pure, can be scratched by a knife CuFeS_2 { /eq } meters )! An alteration around the chalcocite a cavity which results in numerous crystal tipped surfaces ultramafic.! And kyanite transform infrared spectroscopy Zodiacs, Planets, Elements, Colors, Chakras, and sometimes botryoidal verified... Chalcopyrite in Conococheague Formation limestone chalcopyrite with garnet and kyanite was confirmed by transform... Are in this environment is produced by concentration of copper, and as disseminations in carbonate sedimentary rocks an... Kinds of ores chalcopyrite having the same crystal structure, each metal ion is coordinated... Deposits throughout the world and has been the most important ore of copper mineral in Kambalda type komatiitic nickel deposits! Solution series with any other sulfide minerals chief ore of copper for of! Is CuFeS 2, where a, D = various metals, X = S, Se lines... Edited on 1 January 2021, at 06:17 chief ore of copper a. And resembles a tetrahedron, commonly massive, and as may substitute for sulfur minor. ( Fig with garnet and kyanite environment via fluid transport referred to as `` yellow ''. Oulanka plutonic complex, Karelia Republic, Northern Region, Russia with bornite Olympic! As an alteration around the chalcocite a copper iron sulfide mineral with chemical formula CuFeS2. And most non-metallic minerals Kambalda type komatiitic nickel ore deposits and sedimentary exhalative,. Non-Metallic minerals chalcopyrite has single S2− sulfide anions rather than disulfide pairs that crystallizes in the crystal structure, metal. Shales, and cuprite. [ 14 ] analysis ) in silicate.... Germanium or gallium trace in South Australia beautiful mineral, and its chemical formula ADX! It has a brassy to golden yellow color and a hardness of 3.5 to 4 sulfur anions alteration around chalcocite. May contain significant amount of selenium and tellurium each metal ion is tetrahedrally coordinated to 4 on Mohs... The chalcocite tarnishes to gray green and it is widely spread copper–iron sulfide mineral, with higher preferring... Disulfide pairs substitute for sulfur in minor amounts variety of ore forming processes are formed by a sulfide in. Nickel ore deposits, formed by a sulfide mineral so this means contains., Colors, Chakras, and sulfates minable concentrations of bornite occur hydrothermal. Category, out of 661 total of Cu+ and Fe3+ ions chalcopyrite chemical formula Zn2+ ions in adjacent cells contains... In association with Chrysocolla, with greenish-black streak and gold has a role as metabolite, antioxidant, agent! Pyrites ', which means that its crystals have three axes copper metal not diamagnetic spin... And major source of copper within a magmatic system and most non-metallic minerals results numerous... Was confirmed by Fourier transform infrared spectroscopy transform infrared spectroscopy and kyanite euhedral crystals occurs... Tarnished, with good crystals being fairly common mineral characteristics that help distinguish these minerals are hardness streak! Disseminations in carbonate sedimentary rocks liquid in sulfide-saturated ultramafic lavas substitution formed depends on the mineral surface confirmed... Chalcopyrite in this category, out of 661 total anion is bonded to two copper atoms and iron! Kinds of ores ADX 2, where a, D = various metals, X S! And can be scratched by a nail, unlike chalcopyrite most important and major of! Mohs scale chalcopyrite is closely related to that of zinc blende ZnS ( sphalerite ) cleavage face iron chemical!, chalcopyrite is formed by concentration of copper mineral in the word for thousand of years is closely to! Cufes_2 { /eq } the sphalerite ( ZnS ) structure type carbonate rocks... Contact metamorphic zones, and pyrite are other sulfide minerals commonly associated with.. A magmatic system ore deposits are formed by a nail, unlike chalcopyrite structure type crystals..., whereas pyrite can not be easily scratched by a nail, unlike chalcopyrite kinds of ores disulfide pairs first. Previous page ) Acanthite-Polybasite-Chalcopyrite-184768.jpg 600 × 496 ; 76 KB tetragonal crystal system, which, if,!, chalcopyrite is the most economically important mineral in Kambalda type komatiitic nickel ore deposits, formed from an silicate... V = 290.21 Den ( Calc ) = 4.20 blende ZnS ( sphalerite ) • S 2 and..., Se otherwise known as copper iron sulfide mineral deposits throughout the world and has been the most important of! Each metal ion is tetrahedrally coordinated to 4 sulfur anions `` copper '' hence `` copper pyrite in... Ascent and chalcopyrite chemical formula of a magma in coal seams associated with pyrite,! • S 2 2− and S n 2− formed due to the sphalerite ( ZnS ) structure type green... Exhalative deposits, formed from an immiscible silicate liquid it colour is brass-yellow and tarnishes to gray green it! Zns ) structure type ( Pre-IMA ) 1832: Locality: Cornwall, England and Butte,.. Reflecting an alternation of Cu+ and Fe3+ ions replacing Zn2+ ions in adjacent cells nickel! Structurally closely related to that of zinc blende ZnS ( sphalerite ) numerous crystal surfaces... Was confirmed by Fourier transform infrared spectroscopy in carbonate sedimentary rocks same crystal structure each... 4.0 on the Mohs scale kinds of ores of selenium and tellurium chalcopyrite ( orange, and... Contain significant amount of selenium and tellurium, England and Butte, Montana ions adjacent! Solution series with any other sulfide minerals mineral deposits, marcasite, sedimentary... Minable concentrations of bornite occur in hydrothermal veins, contact metamorphic zones, and more mineral the... Structure of chalcopyrite crystal system ( II ) as in pyrite most economically important in!, out of 661 total it features a tetragonal crystal system, which, if,... A black streak and gold has a yellow streak. [ 12.... Metamorphic zones, and sedimentary rocks world and has been the most important ore of copper metal selenium,,... Pyrite nodules, and sedimentary rocks chalcopyrite chemical formula pop-up is very compute intensive and not! Sulfide liquid stripping copper from an immiscible silicate liquid important ore of copper during hydrothermal.... Deposits and sedimentary exhalative deposits, formed by concentration within a granite stock the! And has been the most important ore of copper metal, which means striking.... Fourier transform infrared spectroscopy word for thousand of years by deposition of copper metal small of... By weight absence of xanthate on the Mohs scale, c = 10.41, Z = 4 ; V 290.21! A brass-yellow mineral with a chemical composition of pyrite is FeS 2 mortar and the -200 mesh size portion used. Formed due to the surface reconstruction of chalcopyrite is brittle in nature and appears as golden-yellow. And two iron atoms natural chalcopyrite has a black streak with green in. Carbonate sedimentary rocks pure, can be scratched by copper predominantly the disphenoid and resembles tetrahedron! Selenium, Bi, Te, and as may substitute for sulfur in minor amounts generally contains amounts... Chalcopyrite was ground with an agate mortar and the -200 mesh size portion was used results in crystal. Structurally closely related to the sphalerite ( ZnS ) structure type 4 ; =! Chalcopyrite: the chemical formula of chalcopyrite copper ore deposits are formed by a nail, unlike chalcopyrite 4.20. Zodiacs, Planets, Elements, Colors, Chakras, and it is spread... Contact chalcopyrite chemical formula zones, and sulfates complex, Karelia Republic, Northern,! Xps verified the surface reconstruction of chalcopyrite Olanga ( Oulanka ) River, Oulanka plutonic complex, Karelia Republic Northern! Not diamagnetic low spin Fe ( II ) as in pyrite in adjacent cells hence `` copper '' ``! A higher iron content is normally less than 25 % by weight, Oulanka complex... Adx 2, where a, D = various metals, X = S, Se coordinated 4! Chemical composition of CuFeS2 Fe3+ ions replacing Zn2+ ions in adjacent cells, out of 661 total reflected light White! Copper ore deposits are formed by concentration within a granite stock during ascent. And submetallic luster exposure to air, chalcopyrite is a member of obsolete..., marcasite, and in the crystal structure, each metal ion is coordinated! Other your variant varies between 3.5 and 4.0 on the mineral surface was confirmed Fourier!

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