Cornwallite
Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Bottle green cornwallite stars. Please note that there are always seven-fold twins (or fourteen-fold, depending how to count). Collection and photo: Stephan Wolfsried.
Sony Alpha 7R ii, bellows, Mitutoyo 10x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control.
© Stephan Wolfsried 5/2018