Graeserite
Lärchultini, Binn, Goms, Valais, Switzerland
EDX: 44.6% Ti, 39.7% Fe, 12.3% As, 1.5% Sb, 1.9% Pb. Graeserite is therefore almost confirmed. 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 10/2017