Stefanweissite, Magnetite
In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Brown prismatic stefanweissite crystals on magnetite.
Sony Alpha 7R ii, bellows, Mitutoyo 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Collection Bernd Ternes, photo: Stephan Wolfsried
© Stephan Wolfsried 1/2019