Calcite (Cobalt-rich), Malachite

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Calcite (cobalt-rich) with malachite, 4 cm, from the Kamoto Principal mine, Kamoto, Kolwezi District, Lualaba, Democratic Republic of Congo. Private collection; Tom Spann photo.

Product details

Species

Cobalt, Malachite, CalciteAbout Cobalt →

SizeMiniature

Dimensions4.0 cm

Added on02/13/2026

Locality

DR Congo, Lualaba, Kamoto Principal Mine

Publications

Mineralogical Record Flawless Beauty page 199

Known provenance

Date	Collector	Acquisition price
—	Will Johnson	Not disclosed

Comments

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Mineral guide

Learn about Cobalt

native metal prized for rarity and steel-gray luster, with bold contrasts to erythrite or calcite; Bou Azzer and Schneeberg stand out.

Regional guide