Calderite
Schmorrasgrat-South, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
Mn-rich garnet (calderite or Mn-rich andradite significantly enriched in calderite component), not analyzed.
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control.
Collection and photo Stephan Wolfsried
© Stephan Wolfsried 6/2016