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Psilomelane

Psilomelane

Hard black manganese oxides (romanechite, mainly).

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First pulled by hambulo, Oct 26, 2026

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  1. Romanèchite

    Baryum manganese oxide mineral.

    40%

  2. Hollandite

    Barium manganese oxide mineral.

    29%

  3. Pyrolusite

    Manganese dioxide mineral.

    20%

  4. Hematite

    Common iron oxide mineral.

    3.9%

  5. Vanadinite

    Apatite supergroup, vanadate mineral.

    3.3%

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  1. Ore

    Rock or sediment with valuable metals, minerals and elements.

    24%

  2. Mineraloid

    Non-crystalline mineral-like substance.

    23%

  3. Romanèchite

    Baryum manganese oxide mineral.

    15%

  4. Manganese

    Chemical element with atomic number 25 (Mn).

    7.6%

  5. Pyrolusite

    Manganese dioxide mineral.

    3.7%