Malachite and Chrysocolla Combination from Lubumbashi


This piece is from the Star of the Congo Mine, Lubumbashi, Katanga, Zaire. It is a breccia tuff matrix with a geode-like formation of multiple generations of chrysocollas and druse malachite crystals. The malachite has a glistening luster and sugary texture. This piece measures 3 x 3 x 1 3/4 ” or 76 x 76 x 44 mm. There is also minor tenorite on the piece.

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This malachite and chrysocolla is from the Star of the Congo Mine, Lubumbashi, Katanga Copper Cresent, Katanga, DR Congo. This mine is abandoned but is still worked by the local population for the recovery of mineral specimens. Malachite is a carbonate containing the elements Cu, C, O and H. It is a secondary mineral found in weathered copper ore deposits. Chrysocolla is a secondary silicate containing the elements Cu, Al, H, Si and O. It is commonly found in association with malachite. This specimen consists of a tuff matrix that contains exposed veins and vugs that are filled with multiple generations of chrysocolla and druse malachite crystals. This piece measures 3 7/8 x 2 3/4 x 1 3/8 inches or 98 x 70 x 35 mm.

Additional information

Weight10 oz