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France | |
| Le Règne Minéral 47: 5-21 |
| De Ascenção Guedes, Roger, Tixador, Yvan, Casteret, Alain, Goujou, Jean-Christian (2002) La mine de manganèse de Coustou, Vielle-Aure, Hautes-Pyrénées [The Coustou manganese mine, Vielle-Aure, Hautes-Pyrénées]. Le Règne Minéral, 8 (47) 22-31 Ragu, A. (1994): Helvite from the French Pyrénées as evidence for granite-related hydrothermal activity. Canadian Mineralogist 32, 111-120. |
| Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) Handbook of Mineralogy Vol. 1 - Elements, Sulfides, Sulfosalts. Mineral Data Publishing, Tucson, Arizona. |
| Lacroix, A. (1900) Manganese minerals from Hautes-Pyrenees. Bulletin de la Société française de Minéralogie: 23: 251-255 (in French). |
Coustou Mine, Vielle-Aure, Bagnères-de-Bigorre, Hautes-Pyrénées, Occitanie, France