1. Laboratory of Arctic Mineralogy and Material Sciences, Kola Science Centre, Russian Academy of Sciences, Fersmana street 14, Apatity 184209, Russia
2. Grebenshchikov Institute of Silicate Chemistry, Makarov Emb, St. Petersburg 199053, Russia
3. Geological Institute, Kola Science Centre, Russian Academy of Sciences, 14 Fersman Street, Apatity 184209, Russia
4. Institute of Chemistry, Saint Petersburg State University, Ulianovskaya 5, St. Petersburg 198504, Russia
5. Department of Chemistry, Lomonosov Moscow State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
6. Department of Crystallography, Saint Petersburg State University, University Emb., St. Petersburg 199034, Russia