• Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

    矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿脉石矿物主要磁铁矿针铁矿黄铁矿等。

    youdao

  • Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

    矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿脉石矿物主要磁铁矿针铁矿黄铁矿等。

    youdao

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