Calcite quartz pyrite marriage. Pit unit

    Calcite with pyrite and quartz
    marriage. Pit unit / Three crowns and honor
    lowest achieved degradation, so-called 13th sole
    from about 560 m depth
    marriage. Pyrite mining in Elbingeröder complex
    Rubeland; Elbingerode; geogr. Upper Harz
    Mine closed since 1990
    Size: approx. 21 x 14 cm
    Height: approx. 19 cm
    Size of the crystals: 5 to 35 mm
    a beautiful crystal looks out, so shipping would be a risk
    Weight about 5500 grams