(Grube Neue Fröhlichkeit, Odertal, Revier St Andreasberg, Harz, Niedersachsen, Deutschland)
Ancient mine, working quartz-calcite veins including a suite of lead, copper, zinc, cobalt and nickel ores.
Located about 4 km east of St Andreasberg in the Morgenstern valley, a branch of the Oder valley.