(Tongruben, Friedland, Neubrandenburg, Mecklenburg-Vorpommern, Deutschland)
Mineralizations in eocenic clays, worked by several clay pits in the area around Friedland.
Located about 20 km NE of Neubrandenburg.
Ref.:
- A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001