Mineral: malachite
Locality: Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
Description: Labeled "Azurite on Calcite with Second Generation Malachite". It's actually a very nice specimen - good color and luster - but does this sound correct? Maybe Azurite coated Calcite altered to Malachite?? - or maybe Malachite after Azurite after Calcite??

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