Cuprite with Calcite

Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba)  Congo D.R. (1994)

Specimen size: 8.5 × 7.4 × 5.4 cm = 3.35” × 2.91” × 2.13”
Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”