1. Leiden Observatory Faculty of Science Leiden University 2300 RA Leiden the Netherlands
2. Department of Earth Sciences Faculty of Geosciences Utrecht University 3584 CD Utrecht the Netherlands
3. Steinmann‐Institut for Geology, Mineralogy und Palaeontology University of Bonn 53115 Bonn Germany
4. Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University 3584 CC Utrecht the Netherlands
5. Plymouth Electron Microscopy Centre University of Plymouth Devon PL4 8AA Plymouth UK