Smithsonite (variety cuprian)

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 5.5 × 4.2 × 1.8 cm = 2.17” × 1.65” × 0.71”
Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”