$1,200Median
951Sold (12 mo)
$60Last sale
Updated 1d ago
1
Cuprite with Malachite after Azurite, Chrysocolla
1
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A gorgeous combination specimen showing sharp lustrous deep red crystals of cuprite measuring to 1.0 cm in size across the front of this matrix which is partly covered with light blue chrysocolla. There are sprays of what were once azurite crystals measuring to 2.5 cm in size, these now replaced by malachite. All are in great condition.
The Mashamba West Mine, situated within the Kolwezi mining district of Lualaba Province in the Democratic Republic of the Congo, is part of the western Dima group of copper-cobalt deposits. Modern industrial open-pit operations at the site formally opened in 1975 under state-backed management, and the deposit later transitioned through various state and international joint-venture structures (such as Sicomines). Geologically, the mine is located along the northwestern margin of the Central African Copperbelt within the Kolwezi Klippe. Its ore bodies are hosted in elongated blocks of Neoproterozoic Roan Group rocks contained within a tectonic megabreccia. Deep supergene weathering and groundwater oxidation of primary sulfide minerals (like chalcocite and carrollite) have produced a rich secondary mineral assemblage, making the deposit world-renowned among collectors for fine specimens of malachite, chrysocolla, cuprite, and cobalt-bearing calcite.
Product details
SpeciesMalachite, Cuprite, Azurite, Chrysocolla
SizeCabinet
Dimensions11.0 x 5.0 x 3.0 cm
Listed on07/16/2026
LocalityDR Congo, Lualaba, Mashamba West Mine
SKU8282145
Current owner
WM
Weinrich MineralsFeatured
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Mineral guide
Learn about Malachite
vivid green banded crystals and botryoidal forms from copper deposits; color varieties, formation clues, and identification tips for collectors.Regional guide
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