Calcite (variety cobaltoan calcite) Mashamba West Mine, ...
Description: Calcite (variety cobaltoan calcite) Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zare) 6 x 5 cm Purplish-pink scalenohedra of calcite with lustrous faces and gemmy terminations