Dioptase with Quartz and Calcite

Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia

Specimen size: 2.2 × 1.7 × 0.9 cm = 0.87” × 0.67” × 0.35”
Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”