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ST200 - Kolwezite on Cobaltian Calcite $ 450 Kolwezi Mining District, Lualaba, DR Congo cabinet - 10 x 8 x 4 cm Dark olive green botryoidal Kolwezite atop rhombs of vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. The main Kolwezite is a superb hemispherical group 1.1 cm wide and perfectly centered in the Cobaltian Calcite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of two desireable species together. ©2010-2018 Marin Mineral |