what are some facts about chalcopyrite?
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Chalcopyrite is a brass-yellow mineral with a chemical composition of CuFeS2. It occurs in most sulfide mineral deposits throughout the world and has been the most important ore of copper for thousands of years. The surface of chalcopyrite loses its metallic luster and brass-yellow color upon weathering.
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Transition-metal chalcogenides (TMCs) are chemical species that received their name due to the combination of a chalcogen anion, which can be at different oxidation states, and a transition metal.
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It is malleable, ductile, and an extremely good conductor of both heat and electricity. It is softer than zinc and can be polished to a bright finish. It is found in group Ib of the periodic table, together with silver and gold. Copper has low chemical reactivity.
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Each mineral has a particular chemical make up. While most minerals are compounds of two or more elements, some minerals are made up of a single element. Gold, silver and copper are called native elements and occur in nature in relatively pure form. The vast majority of minerals are compounds or mixtures of elements.
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['Metallic Minerals show a metallic shine in their appearance.', 'The potential source of the metal that can be got through mining.', 'Contains metals in their chemical composition.', 'Metallic minerals contain metal in raw form.']
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The group VIA elements are called chalcogens because most ores of copper (Greek chalkos) are oxides or sulfides, and such ores contain traces of selenium and tellurium.
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The nonmetals include the nonmetals element group, plus the halogens, and noble gases. Properties of nonmetals include: Dull, not shiny. Poor conductor of heat.
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['High reactive metals.', 'Not found freely in nature.', 'Stored in a mineral oil solution.', 'Low melting points.', 'Low densities (lower than other metals)', 'Low electronegativity.', 'Low ionization energy.', 'React easily with halogens.']
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['shiny.', 'soft.', 'silvery.', 'highly reactive at standard temperature and pressure.', 'readily lose their outermost electron to form cations with a charge of +1.']
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The name "fool's gold" is most often associated with pyrite because it is more common and more often confused with gold. Chalcopyrite is also confused with gold, so the name "fool's gold" is also applied and appropriate.
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Iron(II) sulfide or ferrous sulfide (Br.E. sulphide) is one of a family chemical compounds and minerals with the approximate formula FeS. Iron sulfides are often iron-deficient non-stoichiometric. All are black, water-insoluble solids.
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['Metalloids have a solid state of matter.', 'In general, metalloids have a metallic luster. Metalloids have low elasticity, they are very brittle.', 'Middleweights are semi-conducted elements, and they allow leave the average transmission of heat.']
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6. The sulfides of all metals except barium, calcium, magnesium, sodium, potassium, and ammonium are insoluble in water. BaS, CaS, and MgS are sparingly soluble.
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['Metals are generally shiny, malleable, and hard. Metals are also good conductors of electricity. ... ', 'Non-metals do not conduct heat or electricity very well. Non-metals are typically brittle and are not easily molded into shapes. ... ', 'Metalloids share characteristics of both metals and non-metals and are also called semimetals.']
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Pyrite: The Real Story Behind “Fool's Gold” “Fool's Gold” is technically known as pyrite or iron sulfide (FeS2) and is one of the most common sulfide minerals. Sulfide minerals are a group of inorganic compounds containing sulfur and one or more elements.
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['Atomic Number: 20.', 'Atomic Weight: 40.078.', 'Melting Point: 1115 K (842°C or 1548°F)', 'Boiling Point: 1757 K (1484°C or 2703°F)', 'Density: 1.54 grams per cubic centimeter.', 'Phase at Room Temperature: Solid.', 'Element Classification: Metal.', 'Period Number: 4.']
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These include: color, streak, hardness, luster, diaphaneity, specific gravity, cleavage, fracture, magnetism, solubility, and many more. These physical properties are useful for identifying minerals. However, they are much more important in determining the potential industrial uses of the mineral.