19-07-2026, 00:05
https://upload.wikimedia.org/wikipedia/c...0407232039
Schalenblende (ribbonlike changing of brown sphalerite and yellow wurtzite) with galena
Locality: Schmalgraf Mine, Aachen, Germany - Exposed in the Mineralogical Museum Bonn, Germany
https://commons.wikimedia.org/wiki/File:...Aachen.jpg
Schalenblende (ribbonlike changing of brown sphalerite and yellow wurtzite) with galena
Locality: Schmalgraf Mine, Aachen, Germany - Exposed in the Mineralogical Museum Bonn, Germany
https://commons.wikimedia.org/wiki/File:...Aachen.jpg
