• Manganese - Wikipedia

    Historically, manganese is named for pyrolusite and other black minerals from the region of Magnesia in Greece, which also gave its name to magnesium and the iron ore ...

  • Manganese and ferroalloys - Vale

    Metallurgical ore. Ferroalloys - manganese is essential to the manufacture of ... Batteries - manganese and zinc are combined to make long-life ... Suppliers Ethics ...