Pierres et Minéraux. Columbite. 66.96 ct. Mahaiza, Betafo, Madagascar.

Stones and Minerals. Columbite. 75.53 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 50.88 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 81.17 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 72.41 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 70.57 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 87.79 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Columbite. 33.30 Ct. Learn, Betafo, Madagascar.

Stones and Minerals. Marcassite. 941.0 Ct. Oumjrane, Drâa-Tafilalet, Morocco.

Stones and Minerals. Clinochlore. 4.77 Ct. Rocher De Farinole, Olmeta-di-Capocorso, Haute-Corse, France.

Stones and Minerals. Hematite. 87.0 Ct. Clot, Saint Christophe-en-Oisans, France.

Stones and Minerals. Cassiterite, Muscovite. 87.5 Ct. Pingwu Beryl Mine, Mianyang, Sichuan, China.

Stones and Minerals. Hematite. 78.0 Ct. Massif Des Grandes Rousses, Oisans, France.

Stones and Minerals. Cassiterite. 1276.5 Ct. Viloco Mine, La Paz, Bolivia.

Stones and Minerals. Descloizite.107.8 Ct. Berg Aukas Mine, Otjozondjupa, Namibia.

Stones and Minerals. Hematite. 181.5 Ct. Clot, Saint Christophe-en-Oisans, France.

Stones and Minerals. Hematite + Pyrite. 732.0 Ct. Elba Island, Tuscany, Italy.

Stones and Minerals. Clinochlore. 4.36 Ct. Rocher De Farinole, Olmeta-di-Capocorso, Haute-Corse, France.

Stones and Minerals. Cassiterite, Muscovite. 130.0 Ct. Pingwu Beryl Mine, Mianyang, Sichuan, China.

Stones and Minerals. Hematite. 742.0 Ct. L'Alpe d'Huez, Isère, France.

Stones and Minerals. Pyrite. 225.0 Ct. Serre-Ponçon, France.