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chalcopyrite(n) a yellow copper ore (CuFeS2) made up of copper and iron sulfide
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chalcopyriteA bright brass-yellow tetragonal mineral. It is generally found massive and constitutes the most important ore of copper.
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chalcopyriteSulphide mineral. Ore of copper.
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chalcopyriteA copper ore mineral composed of copper, iron and sulphur.
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chalcopyriteChalcopyrite (or copper pyrite), is one of the minerals refered to as "Fool's Gold" because of its bright golden color. As a copper ore, the yield of chalcopyrite is rather low in terms of atoms per molecule. It is only 25%, compared to other copper minerals such as chalcocite, Cu2S - 67%; cuprite, Cu2O - 67%; covellite, CuS [..]
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chalcopyriteA sulphide mineral of copper and iron; the most important ore mineral of copper. Change house
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chalcopyriteA mineral containing copper. Its chemical name is copper iron sulphide - chemical formula CuFeS2
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