Perrierite-(Ce)
In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. A single Perrierite-Ce lathe. Collection and photo Stephan Wolfsried
© Stephan Wolfsried 7/2017