Calcite
Coroña shaft, Josefa-Veneros vein, Coroña de Arriba-La Collada, La Collada mining area, Siero, Asturias, Spain
Group of Calcite crystals, one of them clearly dominant. Faces and edges are very sharp and clearly show two twinned scalenohedra on one of the crystals. A curiosity from a mine very famous for its Fluorites.
Coroña Shaft, Josefa-Veneros Norte vein, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Asturias, ...
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