Calcite (Cobalt-rich) - image 1

Calcite (Cobalt-rich)

A

Alexander Schauss
0 for sale
Calcite (cobalt-rich), 2.9 cm, from the Mashamba West mine, Kolwezi, Kolwezi mining district, Lualaba, Katanga, Democratic Republic of Congo. Illustrated in Minerals: The Collectors Newspaper (2014). Ex Cal Graeber, ex Ken Roberts collection; Mark Mauthner photo.

Product details

Species
Cobalt, CalciteAbout Cobalt →
SizeMiniature
Dimensions2.9 cm
Added on02/13/2026
Locality
DR Congo, Lualaba, Mashamba West Mine
Publications
  • Mineralogical Record Refined Elegance page 150

Known provenance

DateCollectorAcquisition price
—Ken RobertsNot disclosed
—Cal GraeberNot disclosed

Learn more

Cobalt
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
Cobalt from Mashamba West Mine
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