| Brazil | | |
| Cassedanne, J.P. (1983): Famous mineral localities: The Córrego Frio mine and vicinity, Minas Gerais, Brazil. Mineralogical Record, 14 (4): 227-237 [ p.233-4] | |
| various added photos | | Canada | | |
| Pavel M. Kartashov data | | Germany | | |
| DILL, H.G., MELCHER, F., GERDES, A. and WEBER, B. (2008): The origin and zoning of hypogene and supergene Fe-Mn-Mg-Sc-U-REE-Zn phosphate mineralization from the newly discovered Trutzhofmühle aplite (Hagendorf pegmatite province, Germany). Canadian Mineralogist 46, 1131-1157. | | Russia | |
- Vuoriyarvi alkaline-ultrabasic massif
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow | | Spain | | |
| Fuertes-Fuente, M., Martin-Izard, A., Boiron, M.C., and Mangas, J. (2000): Mineralium Deposita 35, 332-345. | |
| Fuertes-Fuente, M., Martin-Izard, A., Boiron, M.C., and Mangas, J. (2000): Mineralium Deposita 35, 332-345. | | USA | | |
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