Calcite with Cuprite (variety chalcotrichite)

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (±1973)

Specimen size: 5.3 × 2.8 × 2.5 cm = 2.09” × 1.10” × 0.98”
Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”