| Kolitsch, U., Blaß, G., Jahn, S., Cámara, F., von Bezing, L., Wartha, R. R., Tremmel, G., Sturla, M., Cerea, P., Skebo, M. and Ciriotti, M. E. (2016): Aris - mineralogy of the famous alkaline phonolite. AMI - Associazione Micromineralogica Italiana, Cremona, Italy, 95 pp. Joachim Esche collection (SEM-EDS-analysed by Vincent Bourgoin contains only minor Na, Al, Fe) |
Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia