Calcite from Mashamba West Mine, Sicomines copper-cobalt project, Mutshatsha, Lualaba, DR Congo - image 1

Calcite from Mashamba West Mine, Sicomines copper-cobalt project, Mutshatsha, Lualaba, DR Congo

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Cobaltoan Calcite

Mashamba West, Lualaba, Democratic Republic of the Congo

7.7x10.2x6.5cm


Cluster of Cobaltoan Calcite with good saturation, large scalenohedral crystals in an aesthetic spray formation, perched on matrix. Specimen is from the Mashamba West Mine in the southern Katanga Copper Crescent, of the Democratic Republic of the Congo. Mashamba West is known for producing high quality secondary Copper minerals, including Cobaltoan Calcites. Cobaltoan Calcite forms when Cobalt ions replace Calcium in the Calcite crystal lattice.

Product details

SpeciesCalciteCobaltocalcite
SizeCabinet
Dimensions7.7 x 10.2 x 6.5 cm
Weight494 grams
Added on04/29/2025
LocalityDR Congo, Lualaba, Mashamba West Mine

Owners

Unknown Owner
Acquired
Feb 2026

Learn more

Calcite
Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.
Calcite
Regional guide
Calcite from Mashamba West Mine
Contribute
Locality guide
Mashamba West Mine
A collector's guide to Mashamba West Mine, DR Congo: its geology, mining history and notable minerals, illustrated with the 432 specimens documented from this locality on EarthWonders.