[1] Swiss Gemmol Inst SSEF, Basel, Switzerland
[2] Paul Scherrer Inst, Swiss Light Source, MicroXAS Beamline, Villigen, Switzerland
[3] Univ Basel, Dept Environm Sci, Basel, Switzerland
[4] Univ Basel, Swiss Nanosci Inst, Nano Imaging Lab, Basel, Switzerland
[5] Univ Sao Paulo, Inst Geosci, Sao Paulo, Brazil