Galena skutterudit Annabergite St. Andreasberg

    Calcite with galena, skutterudite and annabergite
    in slate
    Cobalt arsenic compound with nickel content
    Annabergit as approach
    the calcite forms a nice cave filling
    Halders of old mining St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geological Upper Harz
    Size: approx. 100 x 40 mm
    Height: approx. 60 mm
    Weight about 280 grams