Mottramite with Calcite

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 7.3 × 4.1 × 2 cm = 2.87” × 1.61” × 0.79”
Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”