Digenite is a copper sulfide mineral with formula: Cu9S5. This red-coloured solid is a component of some antifouling paints. It is named after the type locality in Carroll County, Maryland, US, at the Patapsco mine, Sykesville. There is also a crystallographically-distinct phase (the mineral djurleite) with stoichiometry Cu1.96S which is non-stoichiometric (range Cu1.934S-Cu1.965S) and has a monoclinic structure with 248 copper and 128 sulfur atoms in the unit cell. [8] In this structure there are 24 crystallographically distinct Cu atoms and the structure has been described as approximating to a hexagonal close packed array of sulfur atoms with Cu atoms in planar 3 coordination. Except where otherwise noted, data are given for materials in their, Wiberg, Egon and Holleman, Arnold Frederick (2001), National Institute for Occupational Safety and Health, "Copper coordination in low chalcocite and djurleite and other copper-rich sulfides". Unlike silver and gold, however, copper’s physical chemical properties differ in that in its purest form, it is soft and malleable; that is, easily bendable and workable. Silver sulfide is an inorganic compound with the formula Ag2S. Phosphorus selenides are a relatively obscure group of compounds. 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. Many translated example sentences containing "copper sulfide" – French-English dictionary and search engine for French translations. It occurs with other supergene minerals such as chalcocite, covellite and digenite in the enriched zone of copper orebodies. A black colloidal precipi It constitutes the tarnish that forms over time on silverware and other silver objects. It is a member of the chalcocite group, and very similar to chalcocite, Cu2S, in its composition and properties, but the two minerals can be distinguished from each other by x-ray powder diffraction. Element % Cu: 66.46 : S: 33.54: Isotope pattern for CuS. The color ranges between indigo-blue, brass-yellow, and deep red with lead-gray streak. Quality Assurance copper mine floatation chemical, Sodium Hydrogen sulphide Battery Manufacturing (3) Available for Sale. Product Name: Copper(II) Sulfide Product Number: All applicable American Elements product codes, e.g. IDENTIFICATION. The compounds that have been reported are shown below. Engineering Controls: Ensure adequate ventilation to maintain exposures below occupational limits. [4], Cu2S can be prepared by heating copper strongly in sulfur vapour or H2S. Copper Sulfide: Symbol: CuS: Color/Appearance: Black, Solid: Melting Point (°C) 103: Relative Density (g/cc) 3.90: Water Solubility: Insoluble: Sputter : RF, RF-R, DC: Type of Bond: Indium, Elastomer: Comments : Copper Sulfide Sputtering Targets. Prices and download plans . Silver sulfide is a network solid made up of silver and sulfur where the bonds have low ionic character. It is one of the principal oxides of copper, the other being CuO or cupric oxide. Platelet-shaped copper sulfide nanocrystals (NCs) with tunable Cu stoichiometry were prepared from Cu-rich covellite (Cu1.1S) nanoplates through their reaction with a Cu(I) complex ([Cu(CH3CN)4]PF6) at room temperature. Search Photos of Copper sulfide ore. Edit Add Synonym Add Sub-type (rock) Edit CIF structures Clear Cache. SAFETY DATA SHEET . CHEBI:51114. Copper iron sulfide: Color: Copper-red to yellowish brown on fresh surfaces. Al Kharafi, A.M. Abdullah, I.M. Geometry of copper: Prototypical structure: Element analysis. Its streak is diagnostic as green tinged black. Not available. Download all free or royalty-free photos and vectors. Copper(I) bromide is the chemical compound with the formula CuBr. Almost everyone is familiar with pyrite. copper(1+) sulfide. Copper sulfide ore. Component Compounds: CID 29109 (Sulfide) CID 23978 (Copper) Dates: Modify . From their chemical formulas you can calculate the percentage of copper in each mineral. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur. [7] Cu2S and Cu1.96S are similar in appearance and hard to distinguish one from another. Impure samples appear green due to the presence of copper(II) chloride (CuCl2). copper-iron sulfides. This structure was initially assigned an orthorhombic cell due to the twinning of the sample crystal. Click here to sponsor this page. CU-INS-02-GR , CU-INS-03-GR , CU-INS-04-GR , CU-INS-05-GR CAS #: 12018-94-9 Relevant identified uses of the substance: Scientific research and development Supplier details: American Elements 10884 Weyburn Ave. Product Name: Copper Sulfide . CU-INS-02-GR , CU-INS-03-GR , CU-INS-04-GR , CU-INS-05-GR CAS #: 12018-94-9 Relevant identified uses of the substance: Scientific research and development Supplier details: American Elements 10884 Weyburn Ave. This page is currently not sponsored. Copper sulfide describe a family of chemical compounds and minerals with the formula CuxSy. 1308-78-7. This diamagnetic solid adopts a polymeric structure akin to that for zinc sulfide. It has a Mohs hardness of 2.5 to 3 and a specific gravity of 5.6. Preparation and reactions []. blue (1) Featured Industry. It is an unstable compound as copper(I) compounds are generally unstable and is more commonly found in the CuSO4 state. Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. It is a white crystalline, hygroscopic solid with a rutile-type crystal structure, similar to other fluorides of chemical formulae MF2 (where M is a metal). A black colloidal precipitate of CuS is formed when hydrogen sulfide, H 2 S, is bubbled through solutions of Cu(II) salts. Copper sulfide is a crystalline solid used as a semiconductor and in photo optic applications. *Please select more than one item to compare. It is a moderate conductor of electricity. It has the chemical formula CuFeS2. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur. Definition. The copper strip on the right is at a later stage in which the copper sulfide material starts to flake off the copper. Copper (II) sulphide, thioxocopper, C.I. Spionkopite also is hexagonal with a : 22.962 (3\, c = 41.429 (11) A, Z - 18 and D(calc.) Strong generalities exist in this class. Copper monosulfide is a chemical compound of copper and sulfur.It was initially thought to occur in nature as the dark indigo blue mineral covellite.However, it was later shown to be rather a cuprous compound, formula Cu + 3 S(S 2). Ateya. Engineering Controls: Ensure adequate ventilation to maintain exposures below occupational limits. It attacks copper forming thin films of metallic sulphides or dendrite whiskers, which are cathodic to the metal substrate, enhancing corrosion. DATE OF LAST REVISION: 07/09/15. It was initially thought to occur in nature as the dark indigo blue mineral covellite. Its streak is diagnostic as green tinged black. It has poor to indistinct cleavage and a brittle fracture. Copper Sulfide Powder | Buy ultra-High-Purity Nanomaterial’s | Worldwide Shipping | Fast Delivery FedEx, DHL, TNT +1-5188899730 +91-7864020002 [email protected] Home; About Us; COVID-19 Supplies; Products. Air contains more than just the oxygen th… Copper(I) sulfate, also known as cuprous sulfate and dicopper sulfate, is the chemical compound with the chemical formula Cu2SO4 and a molar mass of 223.15 g mol−1. The type locality is Sangerhausen, Thuringia, Germany, in copper slate deposits. The compound can appear either yellow or red, depending on the size of the particles. Non-stoichiometric compounds are chemical compounds, almost always solid inorganic compounds, having elemental composition whose proportions cannot be represented by a ratio of small natural numbers; most often, in such materials, some small percentage of atoms are missing or too many atoms are packed into an otherwise perfect lattice work. SECTION 1. GOBLE, R.J. (1980): Copper sulfides from Alberta: yarrowite Cu9S8 and spionkopite Cu39S28. SAFETY DATA SHEET . It occurs in most sulfide mineral deposits throughout the world and has been the most important ore of copper for thousands of years. Canadian Mineralogist 18, 511-518. It is a mixture of pyrite and copper sulfide. Copper can be found as a metal in the ground. It is one of a number of binary compounds of copper and sulfur (see copper sulfide for an overview of this subject), and has attracted interest because of its potential uses in catalysis and photovoltaics. Currently, about 80 percent of global copper production is extracted from sulfide sources. Copper Sulfide. This copper oxide from reaction 2 is the main culprit that will later form the colors of the patina. Many of the reported associations of digenite and djurleite, however, identified by powder diffraction, could be anilite and djurleite, as anilite transforms to digenite during grinding. It has the chemical formula CuFeS2. After that, the obtained solution was dialyzed (molecular weight cutoff = 100–500 Da) against deionized water for 24 h to remove excess ions. These compounds can be differentiated by their crystalline structure. Chalcopyrite is the most common copper ore. Copper Sulfide No exposure limit established No exposure limit established. Bornite, also known as peacock ore, is a sulfide mineral with chemical composition Cu5FeS4 that crystallizes in the orthorhombic system (pseudo-cubic). = 4.89 g/cm3. Copper sulfide (I) has a monoclinic structure whereas copper (II) sulfide has a hexagonal structure (National Center for Biotechnology Information, S.F.). It is found in copper sulfide deposits of both primary and supergene occurrences. It has the chemical compound Cu2S. Copper Mining and Extraction Sulfide Ores . Its vivid yellow color led to its adoption as a pigment for the yellow paint "cadmium yellow" in the 18th century. Photo Search Photo Galleries Search by Color New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Mineral Photography. 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