| Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666. www.handbookofmineralogy.com (2012) http://www.handbookofmineralogy.com/pdfs/fersmite.pdf |
Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo