Manganese - Wikipedia, the free encyclopedia The most stable oxidation state for manganese is +2, and many manganese(II) compounds are known, such as manganese(II) sulfate (MnSO4) and manganese(II) chloride (MnCl2). This oxidation state is also seen in the mineral rhodochrosite, (manganese(II) carbonate). Manganese Ore - AIMR 2011 - Australian Mines . Manganese (Mn) is the twelfth most abundant element in the Earth's crust. Amonst about 300 minerals containing manganese only about a dozen are of economic significance. The two main manganese minerals are pyrolusite (MnO2) and rhodochrosite (MnCO3). process to mine manganese - Manganese ore is the weak magnetic minerals, which can be recovered by magnetic separator. Xinhai applies magnetic mineral process to separate manganese ore    Read More

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