Columbite Group: Mineral information, data and localities.
ⓘ El Quemado mining district [Columbite(Mn)] López de Azarevich, V., Fulignati, P., Gioncada, A., Azarevich, M. (2021). Rare element minerals'' assemblage in El Quemado pegmatites (Argentina): insights for pegmatite melt evolution from gahnite, columbitegroup minerals and tourmaline chemistry and implications for minerogenesis.