Dioptase with Calcite

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 3.4 × 2.9 × 1.9 cm = 1.34” × 1.14” × 0.75”
Main crystal size: 0.9 × 0.3 cm = 0.35” × 0.12”