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Metals from Ores: An Introduction, classified according to chemical composition. Group Minerals Composition Native Metals Gold Au Silver Ag Electrum Au-Ag Platinum metals Pt, Ir, Os, Ru, Rh, Pd Copper Cu Awarite FeNi 2 Josephinite FeNi 3 Native mercury Hg Aspects in Mining & Mineral 11 ...Copper: The metal Copper information and pictures, Copper is notorious for its habit of developing a green oxidation tarnish on exposed surfaces, which is caused by exposure to weathering.If kept away from water and moisture, it will not tarnish. The green tarnish is sometimes known as patina, especially when referring to historic statues and objects where the antique nature is enhanced by tarnish.London Metal Exchange: LME Copper, LME Copper Contract specifications Every metal traded on the LME must conform to strict specifications regarding quality, lot size and shape. Each LME tradeable contract is likewise governed by rules covering (but not limited to) prompt dates, settlement termsCopper properties and uses. Introduction., Copper is an excellent electrical conductor.Most of its uses are based on this property or the fact that it is also a good thermal conductor. However, many of its applications also rely on one or more of its other properties. For example, it wouldn't make very good ...Copper Slag, Copper slag is essentially a ferrous silicate whose range of chemical compositions is shown in Table 7.2, where the high variability in chemical composition of these slags is evident. Some of these slags can contain high concentrations of heavy metals, particularly arsenic, cadmium, and lead, leading to their classification as hazardous wastes..

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Bornite Mineral Data, Composition: Molecular Weight = 501.84 gm Iron 11.13 % Fe Copper 63.31 % Cu Sulfur 25.56 % S _____ 100.00 % Empirical Formula: Cu 5 Fe 2+ S 4 Environment: Disseminated in igneous intrusions and a primary and secondary mineral in copper ore veins ...Copper,  · Copper is also alloyed with precious metals such as gold and silver. Copper has many other uses . The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties.What is the mineral composition of copper?, Copper is an elementary substance - it has no mineral or any other materials in it. Several minerals are evaporites, and therefore, there is not just one mineral composition but a ...Copper Mineral Data, General Copper Information Chemical Formula: Cu Composition: Molecular Weight = 63.55 gm Copper 100.00 % Cu 100.00 % Empirical Formula: Cu Environment: Cap rock of copper sulfide veins and in some types of volcanic rocks. IMA Status:Copper, Azurite, Malachite, Rhodocrosite, Chrysocolla, Idiochromatic color is a property which is directly related to the chemical composition of a mineral species and is therefore possessed by all specimens of that species. This characteristic red of native copper is attributable to the presence of copper, which has strong pigmenting capabilities and is the only constituent of the crystal lattice..

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Copper, Native copper is both an element and a mineral. It's chemical formula is Cu, and it is almost pure, when found in this form. It has a crystalline cubic structure, is hexoctagonal. It has a hardness of 2.3 to 3 Mhos, a specific gravity of 8.5 to 9, a metallic luster and is ...Porphyry copper deposit | mineralogy | Britannica, Porphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which chalcopyrite and other copper minerals are disseminated. Porphyry copper deposits commonly contain