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Details: Manganese is a silvery-gray metal that resembles iron. It is hard and very brittle, difficult to fuse, but easy to oxidize.[4] Manganese metal and its common ions are paramagnetic.[5] Manganese tarnishes slowly in air and oxidizes (“rusts”) like iron in water containing dissolved oxygen.The most important manganese ore is pyrolusite (MnO2). Other economically important manganese ores usually show a close spatial relation to the iron ores.


Steel, Aluminium alloys, …

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