- Renierite, Germanite
- Toenail, 2.8 x 2.7 x 1.9 cm
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
A rich and fine combination specimen of the very rare germanium sulfosalt species renierite and germanite from the Tsumeb Mine. A rich vein of lustrous, bronze-colored renierite microcrystals is displayed on two faces of the solid matrix of gray, metallic-luster germanite. Portions of the germanite ore have a colorful purple-green-blue iridescence. Tsumeb is the Type Locality for germanite. From the 29 Level of this world-famous mine. Ex. Rob Smith Collection.