Description: Pyrolusite pseudo after calcite scalenohedrons (covered with a thin hematite layer) from the Luthersteufe mine near Öhrenstock, Ilmenau, Thuringia. Classic sample, about 6,5 cm in height. Similar pseudos are known from the manganite locality Ilfeld, Harz or from the Westerwald, Rhineland-Palatinate.

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