1. Department
of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 1H9, Canada
2. Department
of Economic Geology, Comenius University, Mlynská dolina, Ilkovičova
6, 84215 Bratislava, Slovakia
3. STU
Centre for Nanodiagnostics, Slovak University of Technology, Vazovova
5, 81243 Bratislava, Slovakia
4. Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 04001 Košice, Slovakia
5. Institute of Inorganic Chemistry, Slovak Academy of
Sciences, Dúbravská
cesta 9, 84536 Bratislava, Slovakia
6. Department
of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 16521 Prague 6, Czech Republic