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Shigaite from
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa

Locality type:Mine
Classification
Species:Shigaite
Formula:Mn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2O
Comments:It appears there was a typo in the reference citing this mine, subsequent references clearly state shigaite is from N'Chwaning I mine and personal communications with Bruce Cairncross confirm this.
Confirmation
Validity:Erroneously Reported
References
References:Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doctoral dissertation, Rand Afrikaans University).
Associated Minerals:
Associates:Baryte
Caryopilite
Gageite
Hematite
Jacobsite
Leucophoenicite
Rhodochrosite
Associated Minerals Based on Photo Data:
Rhodochrosite61 photos of Shigaite associated with Rhodochrosite at this locality.
Caryopilite5 photos of Shigaite associated with Caryopilite at this locality.
Calcite5 photos of Shigaite associated with Calcite at this locality.
Baryte3 photos of Shigaite associated with Baryte at this locality.
Gonyerite3 photos of Shigaite associated with Gonyerite at this locality.
Andradite3 photos of Shigaite associated with Andradite at this locality.
Hausmannite3 photos of Shigaite associated with Hausmannite at this locality.
Hematite3 photos of Shigaite associated with Hematite at this locality.
Manganoan Calcite1 photo of Shigaite associated with Manganoan Calcite at this locality.
Data
Mineral Data:Click here to view Shigaite data
Locality Data:Click here to view N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Nearest other occurrences of Shigaite
0.6km (0.3 miles) A N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
0.7km (0.5 miles) B N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
12.3km (7.7 miles) C Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa
Mineral and/or Locality  
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