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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Pyrochroite from
N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


09511680017404135453419.jpg
Pyrochroite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
02462480017363505336491.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
01371110017404135469756.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
07454190017271987179455.jpg
Pyrochroite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
02462480017363505336491.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
06110470017271987183208.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
07454190017271987179455.jpg
Pyrochroite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
05654240017404135466261.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
06110470017271987183208.jpg
Pyrochroite

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Locality type:Mine
Classification
Species:Pyrochroite
Formula:Mn(OH)2
Comments:Material differs slightly to that from N'Chwaning I mine, association with calcite is also not known at N'Chwaning I. As per a specimen in the von Bezing collection (pc: Woolf & Cairncross, 2025).
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Datolite2
Rhodochrosite1
Data
Mineral Data:Click here to view Pyrochroite data
Locality Data:Click here to view N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:9117
Long-form Identifier:1:3:9117:6
GUID (UUID V4):0
Nearest other occurrences of Pyrochroite
0.6km (0.3 miles) ⓘN'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
2.7km (1.7 miles) ⓘWessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Pohl, Demetrius, Bezing, K.L. Von, Dixon, Roger D., Cavallo, Greg (1991) The Kalahari Manganese Field [South Africa]: an Update. The Mineralogical Record, 22 (4) 279-297pp.289-289
 
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