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

Erratic type:
Classification
Species:Poldervaartite
Comments:See Min Rec Article - all believed to be olmiite
Confirmation
Validity:Erroneously Reported
References
References:• Cairncross, B., Gutzmer, J. & Pretorius, A. (2002): Spektakulärer Neufund: Poldervaartit aus der N'Chwaning II - Mine, Kalahari, Südafrika. Lapis, 27(5), 30-34; 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..
Pagano et al (2008) Mineralogical Record 39:373-381
Associated Minerals:
Associates:Olmiite
Associated Minerals Based on Photo Data:
Olmiite6 photos of Poldervaartite associated with Olmiite at this locality.
Xonotlite6 photos of Poldervaartite associated with Xonotlite at this locality.
Manganvesuvianite1 photo of Poldervaartite associated with Manganvesuvianite at this locality.
Data
Mineral Data:Click here to view Poldervaartite 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 Poldervaartite
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 (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
Mineral and/or Locality  
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