Dioptase

Tantara Mine, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba)  Congo D.R. (06/2005)

Specimen size: 7.9 × 5.8 × 3.5 cm = 3.11” × 2.28” × 1.38”
Main crystal size: 0.9 × 0.7 cm = 0.35” × 0.28”