Fortuna Mine, Oberbiel, Solms, Lahn-Dill-Kreis, Giessen Region, Hesse, Germany
Hematite ore boulders dumped outside the entrance to the Grube Fortuna, July 2015.
© Little Bird Minerals
Dolomite crystals on a matrix of hematite-ore. Collection and photo: E. Riech.
© Eberhard Riech
© Roger Lang