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Chalcedony from
Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


Locality type:Open-Cast Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony 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:262653
Long-form Identifier:1:3:262653:6
GUID (UUID V4):0
Localities for Chalcedony in this Region
Adams Pit, Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Nearest other occurrences of Chalcedony
1.3km (0.8 miles) ⓘAdams Pit, Mamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
9.6km (6.0 miles) ⓘSmartt Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
18.1km (11.3 miles) ⓘAnnex Langdon, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
21.2km (13.2 miles) ⓘHotazel Mine, Hotazel, 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
32.6km (20.3 miles) ⓘBlack Rock Mine, Black Rock, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
44.7km (27.8 miles) ⓘKuruman, Ga-Segonyana Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa. p.1-290.
Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doctoral dissertation, Rand Afrikaans University).
Preston, P. C. C. R. (2009). Physical and chemical characterization of the manganese ore bed at the Mamatwan mine, Kalahari manganese field (Doctoral dissertation).
 
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