Monazite from selected localities.
Mauritania | |
| Mauritanian Geological Survey (1995) database |
| Berger, V.I., Singer, D.A., and Orris, G.J. (2009): Carbonatites of the World. Explored Deposits of Nb and REE - Database and Grade and Tonnage Models. USGS Open-File Report 09-1139 |