Columbite

Columbite. 50.88 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 72.41 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 81.17 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 87.79 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 92 Ct. Berere Pegmatite Field, Betsiboka, Madagascar.

Columbite. 107 Ct. Berere Pegmatite Field, Betsiboka, Madagascar.

Columbite. 146 Ct. Berere Pegmatite Field, Betsiboka, Madagascar.

Columbite. 33.30 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 70.57 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 66.96 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 75.53 Ct. Mahaiza, Betafo, Madagascar.

Columbite. 62.0 Ct. Berere Pegmatite Field, Betsiboka, Madagascar.

Columbite. 120.5 Ct. Berere Pegmatite Field, Betsiboka, Madagascar.

Kristallographische Untersuchungen, Fluorit, Calcit, Thenardit, Anhydrit, Barytgruppe, Beryllonit Und Columbit Des Naturhistorischen Museums In Freiburg (Inaugural-Dissertation)