Columbite-(Fe) from selected localities.
Madagascar | |
| Knut Edvard Larsen collection, Identified at MGM, Oslo mars 1998 by H.J. Berg (XRD) |
Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de doctorat de L'Universite Paul Sabatier, Toulouse |