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N'Chwaning II Mine

Profile

Path to the site

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

Englisch name

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

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

Minerals (Count: 88)

Mineral images (125 Images total)

Inesit
Views (File:
1313347920
): 2707
Inesit
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, Südafrika, 43x53 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Inesite
Image: 1313347920
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Inesit

N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, Südafrika, 43x53 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2011-08-14
More   MF 
Calcit
Views (File:
1274018955
): 566
Calcit
FO: N'Chwaning II Mine, Kalahari Manganese Field,Südafrika; Bildausschnitt: 2x3 cm
Copyright: rtbstone; Contribution: rtbstone
Collection: rtbstone
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Calcite
Image: 1274018955
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Calcit

FO: N'Chwaning II Mine, Kalahari Manganese Field,Südafrika; Bildausschnitt: 2x3 cm

Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2010-05-16
More   MF 
Olmiite and Calcite
Views (File:
1552837782
): 712
Olmiite and Calcite
Olmiite and Calcite crystals on matrix rock, specimen from N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa; Dimensions: 53 mm x 46 mm x 30 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine
Mineral: Olmiite
Image: 1552837782
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Olmiite and Calcite

Olmiite and Calcite crystals on matrix rock, specimen from N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa; Dimensions: 53 mm x 46 mm x...

Copyright: pegmatite
Contribution: pegmatite 2019-03-17
More   MF 

Rocks (Count: 1)

Subsidiary Pages

External Databases

mindat.org

https://www.mindat.org/loc-3067.html

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.

IDs

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