Dioptase with Calcite

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 2.9 × 2.7 × 2.4 cm = 1.14” × 1.06” × 0.94”
Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”