Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Kutnohorite from
Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


Locality type:Open-Cast Mine
Classification
Species:Kutnohorite
Formula:CaMn2+(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kutnohorite data
Locality Data:Click here to view Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Data Identifiers
Mindat Occurrence Record ID:899408
Long-form Identifier:1:3:899408:0
GUID (UUID V4):0
Nearest other occurrences of Kutnohorite
6.5km (4.0 miles) ⓘMiddelplaats Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
30.9km (19.2 miles) ⓘN'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
31.0km (19.3 miles) ⓘN'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
33.7km (20.9 miles) ⓘWessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
42.7km (26.6 miles) ⓘAvontuur deposit, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
70.5km (43.8 miles) ⓘLeinster deposit, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Preston, P. C. C. R. (2009). Physical and chemical characterization of the manganese ore bed at the Mamatwan mine, Kalahari manganese field (Doctoral dissertation).
Harawa, E. T. (2016). Mineralogy and geochemistry of structurally-controlled metasomatic alteration of carbonate-rich manganese ore at Mamatwan Mine, Kalahari Manganese Field (Masters thesis, Department of Geology, Rhodes University).
 
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