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

Locality type:Mine
Classification
Species:Sturmanite
Formula:Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Confirmation
Validity:Believed Valid
References
References:Minerals of South Africa + Hochleitner, R. (1986). Sturmanit und Ettringit aus den Kalahari-Manganfeldern; Lapis: 11(10): 19-24; Bonazzi, P., Bindi, L., Medenbach, O., Pagano, R., Lampronti, Menchetti, S. (2007): Olmiite, CaMn[SiO3(OH)](OH), the Mn-dominant analogue of poldervaartite, a new mineral species from Kalahari manganese fields (Republic of South Africa), Mineralogical Magazine, 71, 193-291.
Associated Minerals:
Associates:Olmiite
Associated Minerals Based on Photo Data:
Calcite24 photos of Sturmanite associated with Calcite at this locality.
Manganite17 photos of Sturmanite associated with Manganite at this locality.
Ettringite7 photos of Sturmanite associated with Ettringite at this locality.
Charlesite6 photos of Sturmanite associated with Charlesite at this locality.
Andradite4 photos of Sturmanite associated with Andradite at this locality.
Hematite3 photos of Sturmanite associated with Hematite at this locality.
Quartz2 photos of Sturmanite associated with Quartz at this locality.
Celestine2 photos of Sturmanite associated with Celestine at this locality.
Hausmannite2 photos of Sturmanite associated with Hausmannite at this locality.
Gaudefroyite2 photos of Sturmanite associated with Gaudefroyite at this locality.
Data
Mineral Data:Click here to view Sturmanite data
Locality Data:Click here to view N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Nearest other occurrences of Sturmanite
0.6km (0.3 miles) A N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
12.3km (7.7 miles) B Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
Mineral and/or Locality  
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