TC05 Germanite

Tsumeb Mine, Otjikoto Region, Namibia

5.2x 3.8x 2.3 cm

$225

A rich example of this rare germanium mineral, showing a large quantity of purplish germanite in matrix with sphalerite.

Germanium was first isolated from this species; today the element is playing a key role in semi-conductor research, and its compounds are at the center of research into super-conductors.