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N'Chwaning II Mine

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Path to the site

Südafrika / Nordkap (Northern Cape), Provinz / Kalahari Manganese Field / Kuruman / N'Chwaning Mines (NChwaning Mines) / N'Chwaning II Mine

Geology

Sedimente, Mn-Erze.

GPS Coordinates

N'Chwaning II Mine



N'Chwaning II Mine

WGS 84: 
Lat.: 27.13611111° S, 
Long: 22.86472222° E
WGS 84: 
Lat.: 27° 8' 10" S,
   Long: 22° 51' 53" E
Local weather information, Macrostrat geological map

Mineralienatlas short URL

https://www.mineralatlas.eu/?l=40566
Please feel free to link to this location

Shortened path specification

⚒ N'Chwaning II, N'Chwaning Mines, Kuruman, Kalahari Manganese Field, Nordkap, ZA
Useful for image descriptions and collection inscriptions

Important: Before entering this or any other place of discovery you should have a permission of the operator and/or owner. Likewise it is to be respected that necessary safety precautions are kept during the visit.

Additional Functions


You find additional specimen at the Geolitho Museum

Mineral images (131 Images total)

Hämatit
Views (File:
1180864035
): 457
Hämatit
Fundort: N'Chwaning II Mine, Kalahari Manganese Field, Südafrika; Bildausschnitt: 12 x 9 mm
Copyright: rtbstone; Contribution: rtbstone
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Hematite
Image: 1180864035
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Hämatit

Fundort: N'Chwaning II Mine, Kalahari Manganese Field, Südafrika; Bildausschnitt: 12 x 9 mm

Copyright: rtbstone
Contribution: rtbstone 2007-06-03
More   MF 
Sturmanit
Views (File:
1643454378
): 50
Sturmanit
Diese 25 mm x 18 mm große Stufe mit Sturmanitkristallen stammt von der N'Chwaning II Mine im Kalahari Manganese Field in Südafrika.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: KMF-Stur-5-1-3
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Sturmanite
Image: 1643454378
License: Usage for Mineralienatlas project only
Sturmanit (SNr: KMF-Stur-5-1-3)

Diese 25 mm x 18 mm große Stufe mit Sturmanitkristallen stammt von der N'Chwaning II Mine im Kalahari Manganese Field in Südafrika.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2022-01-29
More   MF 
Rhodochrosit
Views (File:
1345140944
): 468
Rhodochrosit
Fundort: N'chwaning I, Kalahari Manganese Field, Northern Cape, Südafrika; Größe: 4,5 x 2,5 x 2,1 cm; Datiert aus den Funden aus den 1970iger Jahren
Copyright: jayjay; Contribution: jayjay
Collection: jayjay
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Rhodochrosite
Image: 1345140944
License: Usage for Mineralienatlas project only
Rhodochrosit

Fundort: N'chwaning I, Kalahari Manganese Field, Northern Cape, Südafrika; Größe: 4,5 x 2,5 x 2,1 cm; Datiert aus den Funden aus den 1970iger Jahren

Collection: jayjay
Copyright: jayjay
Contribution: jayjay 2012-08-16
More   MF 

Minerals (Count: 89)

Rocks (Count: 1)

External links

Cairncross, B., Tsikos, H. and Harris, C. (2000). Prehnite from the Kalahari manganese field, South Africa, and its possible implications. South African J. Geol., 103, 231–236.
Cairncross, B. 2018, Connoisseur\'s Choice: Hausmannite, N\'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa, Rocks&Minerals, Vol. 93, May/June 2018

Reference- and Source indication, Literature

Literatur:

  • Hochleitner, R. (1986). Sturmanit und Ettringit aus den Kalahari-Manganfeldern. LAPIS 11 (10), 19-24.
  • Beukes, G.J., De Bruiyn, H. and Van der Westhuizen, W.A. (1993). Gaudefroyite from the Kalahari manganese field, South Africa. N.Jb. Min., Mh., 385–92.
  • Gutzmer, J. (1994). Hydrothermale Alteration von Manganerzen der Nchwaning Mine, Kalahari Manganerzfeld, Suedafrika. Dipl. Arb. (unv.). Clausthal Univ. Technology, 158 S.
  • Gutzmer, J. (1994). Hydrothermale Alteration von Manganerzen der Nchwaning Mine, Kalahari Manganerzfeld, Suedafrika. Mitteilungsblatt. Clausthal Univ. Technology, 53–54.
  • Cairncross, B., and Dixon, R. (1995). Minerals of South Africa. Geol.Soc. S Africa, Linden 2014, RSA.
  • Nyfeler, D., Armbruster, T., Dixon, R. and Bermanec, V. (1995). Nchwaningite, Mn2+2SiO3(OH)2•H2O, a new pyroxene related chain silicate from the Nchwaning mine, Kalahari manganese field, S Africa. Am. Min., 80, 377–86.
  • Cairncross, B., Beukes, N. and Gutzmer, J. (1997). The Manganese Adventure – The S African Manganese Fields. Assoc. Ore & Metal Corp. Limited, Johannesburg, Rep. South Africa.
  • Cairncross, B., Tsikos, H. and Harris, C. (2000). Prehnite from the Kalahari manganese field, South Africa, and its possible implications. South African J. Geol., 103, 231–36.
  • Cairncross, B., Gutzmer, J. and Pretorius, A. (2002). Spektakulärer Neufund: Poldervaartit aus der N’Chwaning II-Mine, Kalahari, Südafrika. Lapis, 27, 30–34.
  • Cairncross, B. (2004). Field Guide To Rocks & Minerals Of Southern Africa.
  • 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 (Rep. S Africa), Min.Mag., 71, 193-291.
  • Cristian Biagioni, Elena Bonaccorsi, Marco Lezzerini, Marco Merlini, Stefano Merlino: Thermal behaviour of tobermorite from N’Chwaning II mine (Kalahari Manganese Field, Republic of South Africa). I. Thermo-gravimetric and X-ray diffraction studies. Eur J Mineral Vol. 24, Nr. 6 (2012) S. 981-989.
  • Cristian Biagioni, Elena Bonaccorsi, Stefano Merlino, Danilo Bersani, Claudia Forte: Thermal behaviour of tobermorite from N’Chwaning II mine (Kalahari Manganese Field, Republic of South Africa) II. Crystallographic and spectroscopic study of tobermorite 10 Å. Eur J Mineral Vol. 24, Nr. 6 (2012) S. 991-1004.
  • Cairncross, B. and Beukes, N.J, (2013). The Kalahari Manganese Field, the adventure continues. Struik Nature Publ., Cape Town, South Africa.
  • Yang, H., Gu, X., Xie, X., van Nieuwenhuizen, J.J., Evans, S.H. and Downs, R.T. (2015). Lipuite, IMA 2014-085. CNMNC Newsl., No.23, S.58; Min. Mag., 79, 51-58. (Typ-Publ.)
  • Cairncross, B. (2019). Südafrika. In: Rhodochrosit. ExtraLapis, Nr.56, S.12-33. Weise Verlag München.
  • Bruce Cairncross: Connoisseur’s Choice: Gaudefroyite, N’Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Rocks & Minerals Vol. 97, Issue 5 (2022) S. 424-433.
  • Yu. D. Gritsenko, S. K. Dedushenko, M. F. Vigasina, L. A. Pautov, Ya. V. Golubev, L. P. Ogorodova, D. A. Ksenofontov, L. V. Melchakova, Yu. D. Perfilyev: Manganese Sturmanite from the N’Chwaning 2 Mine, Kalahari, South Africa. Geology of Ore Deposits Vol. 65 (2023) S. 722–733.

IDs

GUSID (Global unique identifier short form) ck4zeG9cSUyRSp4a17CYBQ
GUID (Global unique identifier) 78334E72-5C6F-4C49-914A-9E1AD7B09805
Database ID 40566