|
France | |
| Queneau, Patrice (n.d.) Personal Communication. Queneau, Patrice (n.d.) Personal Communication. |
| Inventaire Mineralogique de la France numero 7. Aveyron pages 190 - 191 |
| 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. |
| Inventaire minéralogique de la France no.10 - Bureau de Recherches Géologiques en Minières, 1982, ISBN 2-7159-0012-0 |
Midi-Pyrénées, France