Institute for Mineralogy and Petrography, ETH Zürich, Sonneggstr.5, Zürich, 8092 Switzerland ; Laboratory for Crystallography, ETH Zürich, ETH Hönggerberg Wolfgang-Pauli-Strasse 10, Zürich, 8093 Switzerland
Laboratory for Crystallography, ETH Zürich, ETH Hönggerberg Wolfgang-Pauli-Strasse 10, Zürich, 8093 Switzerland
Institute for Mineralogy and Petrography, ETH Zürich, Sonneggstr.5, Zürich, 8092 Switzerland