Carrollite - image 1
Carrollite - image 2

Carrollite

$8,500.00

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Outstanding example for the species with a mostly freestanding metallic lustrous large sharp carrollite crystal 3.4 cm across on a cleavage matrix of calcite. This is in super condition all around. Minor chalcopyrite present as well. The Kamoya South II Mine, located in the Kambove district of Haut-Katanga, Democratic Republic of the Congo, began operations as a benched open-cut bauxite and copper-cobalt project in 1998 through a partnership involving state-owned Gecamines, Harambee Mining Corp, and Sogemin, though specific closing or depletion dates are not officially finalized as it remains part of the broader active regional asset pool. Geologically, the deposit is situated within the Central African Copperbelt and is hosted primarily in the Neoproterozoic Katanga Supergroup rocks, specifically within the Mines Subgroup of the Roan Group. The ore system features sediment-hosted copper and cobalt mineralization localized in dolomitic shales and dolostones, and the site has gained global mineralogical fame for producing exceptionally large, high-quality carrollite crystals alongside various secondary copper minerals resulting from intense supergene processes and structural brecciation.

Product details

SpeciesCarrollite
SizeSmall Cabinet
Dimensions6.5 x 6.5 x 1.8 cm
Listed on07/16/2026
LocalityDR Congo, Haut-Katanga, Kamoya South II Mine
SKU8282150
Current owner
WM
Weinrich MineralsFeatured
3,348 for sale·9 sold

Learn more

Carrollite
Mineral guide
Learn about Carrollite
cobalt-rich thiospinel with razor-sharp spinel-octahedral crystals, mirror luster, on contrasting carbonate matrices from the DRC and Bou Azzer.
Carrollite
Regional guide
Carrollite from Kamoya South II Mine, DR Congo
Kamoya South II is the modern benchmark locality for carrollite. Its best specimens have the look that made the species famous among contemporary sulfide collectors: brilliant silver to steel-gray crystals, often mirror-faced, with crisp spinel-family geometry set into pale calcite or dolomitic carbonate. The visual effect is unusually clean for a sulfide—hard, metallic geometry against light matrix—and the finest examples have enough reflectivity that the faces flash like cut metal when turned under a lamp.
Locality guide
Kamoya South II Mine
Kamoya South II Mine, DR Congo - a premier locality for carrollite, producing mirror-bright thiospinels on white carbonate; prized by collectors for contrast,…