Cuprite with Calcite

Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba), Congo (Zaire), Democratic Republic of the  Congo D.R.

Specimen size: 6.5 × 5 × 4.4 cm = 2.56” × 1.97” × 1.73”
Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”