Sulphur from Atlas Mountains, North Africa
Algeria | |
| Philip Bluemner Collection |
Morocco | |
| Georges Favreau collection |
Georges Favreau collection | |
| Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68 |
| Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68 |
| Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68 |
| Barral, J.P. (2023) La mine de Gundafa (Maroc). Le Cahier des Micromonteurs, 159, 16-41 (in French) |
| Rocks & Min.: 65:27. |
Ain-Kerma Mine, Messaoud Boudjriou, Ibn Ziad District, Constantine Province, Algeria