Cuprite with Calcite

Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba)  Congo D.R.

Specimen size: 3.9 × 2.7 × 2.5 cm = 1.54” × 1.06” × 0.98”
Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”