Dioptase with Calcite

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (±1975)

Specimen size: 3.4 × 2.3 × 1.6 cm = 1.34” × 0.91” × 0.63”
Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”