Cobaltoan Calcite from the Mashamba West Mine, Katanga


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This cobaltian calite is from the Mashamba West Mine in the Kolwezi District, Katanga, Democratic Republic of the Congo. This is a vast mineral rich area that is mined primarily for the recovery of copper and other metals. There are over 100 different mines and diggings in this area with 10 large operations. Local people mine in the closed locations for a long list of mineral specimens including the associated minerals such as cobaltoan calcite. It is the cobalt rich variety of calcite and it contains the elements Ca, Co, C and O. This specimen consists of a sandstone like matrix that contains an exposed vein filled with cobaltoan calcite crystasl. They range in color from hot pink to red. This piece measures 3 3/4 x 2 1/8 x 1 3/4 inches or 98 x 53 x 45 mm.

Additional information

Weight12 oz

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