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Kalahari Manganese Field

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Path to the site

Südafrika / Nordkap (Northern Cape), Provinz / Kalahari Manganese Field

Exposure description

Gruben (untertägig)

Geology

Mangan-Vererzungen.

Mineralienatlas short URL

https://www.mineralatlas.eu/?l=1298
Please feel free to link to this location

Shortened path specification

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.

Other languages

German

Kalahari Manganese Field

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German

Südafrika / Nordkap (Northern Cape), Provinz / Kalahari Manganese Field

English

South Africa / Northern Cape / Kalahari Manganese Field

Additional Functions

Images from localities (5 Images total)

Prospektionsgebiet auf der Farm Smart 314
Views (File:
1182962636
): 1930
Prospektionsgebiet auf der Farm Smart 314
Kalahari Mangan Felder
Copyright: inpart.ch; Contribution: Klinoklas
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field
Image: 1182962636
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Prospektionsgebiet auf der Farm Smart 314

Kalahari Mangan Felder

Copyright: inpart.ch
Contribution: Klinoklas 2007-06-27
N'Chwaning
Views (File:
1257351907
): 2384
N'Chwaning
Traum aller Mineralienaammler : das Manganbergwerk von N'Chwaning
Copyright: giantcrystal; Contribution: Stefan
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)
Image: 1257351907
License: Usage for Mineralienatlas project only
N'Chwaning

Traum aller Mineralienaammler : das Manganbergwerk von N'Chwaning

Copyright: giantcrystal
Contribution: Stefan 2009-11-04
Smartt Mine
Views (File:
1257351854
): 614
Smartt Mine
Neuer Tagebaubetrieb in der früheren Smartt Mine
Copyright: giantcrystal; Contribution: Stefan
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Smartt Mine
Image: 1257351854
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Smartt Mine

Neuer Tagebaubetrieb in der früheren Smartt Mine

Copyright: giantcrystal
Contribution: Stefan 2009-11-04
Zutage tretendes Mn (Farm Smart 314)
Views (File:
1182962787
): 1978
Zutage tretendes Mn (Farm Smart 314)
Kalahari Mangan Felder
Copyright: inpart.ch; Contribution: Klinoklas
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field
Image: 1182962787
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Zutage tretendes Mn (Farm Smart 314)

Kalahari Mangan Felder

Copyright: inpart.ch
Contribution: Klinoklas 2007-06-27
Bohrung auf der Farm Rissik 330
Views (File:
1182962433
): 1875
Bohrung auf der Farm Rissik 330
Kalahari Mangan Felder
Copyright: inpart.ch; Contribution: Klinoklas
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field
Image: 1182962433
License: Usage for Mineralienatlas project only
Bohrung auf der Farm Rissik 330

Kalahari Mangan Felder

Copyright: inpart.ch
Contribution: Klinoklas 2007-06-27

You find additional specimen at the Geolitho Museum

Detailed Description

Ein besonders schöner und gut ausgebildeter Sturmanit-Kristall (selten transparent) von ca. 4 mm Größe. Gefunden in N'Chwaning, Kalahari Mangan Felder, Süd Afrika

Sammlung & Foto: Christian Rewitzer

Allgemeines

Die Manganlagerstätten der Kalahari Manganese Fields (KMF) liegen südlich der Großen Kalahari-Wüste in der Northern Cape Provinz von Südafrika, ca. 60 km nordwestlich des Städtchens Kuruman und ca. 700 km südwestlich von Johannesburg. Sie erstrecken sich ost-westlich über 17 km und nord-südlich über 45 km.

Die Manganvorkommen wurden erstmals 1907 beschrieben, jedoch erst in den 1940er Jahren eingehend exploriert (wenngleich der Abbau von Mn-Erz bereits 1935-1940 in der jetzt aufgelassenen Grube Black Rock betrieben wurde). N'Chwaning wurde 1972 begonnen.

Die KMF stehen für 80 % der weltweiten hochgradigen Manganerz-Reserven, sind der weltweit größte Produzent von Mangan und decken zur Zeit ca. 20 % des Weltbedarfs.


Mineralien

Die Kalahari Manganese Fields gehören aufgrund ihrer Vielzahl seltener Mineralien sowie weltbestem Rhodochrosit, Hausmannit, Hämatit, Ettringit, Kutnohorit, Inesit, Sturmanit u.a. zu den klassischen Mineralvorkommen. Typmineralien sind Effenbergerit, Hennomartinit, Holtstamit, Kornit, N'Chwaningit, Manganvesuvianit, Poldervaartit, Sturmanit, Tweddillit, Vonbezingit.



Die einzelnen Gruben der KMF sind (in Klammern die Betreiber-Unternehmen)

  • Adams Mine
  • Black Rock Mine
  • Devon Mine
  • Gloria Mine (Assmang)
  • Hotazel Mine
  • Langdon Annex
  • Wessels Mine (Semancor)
  • Mawatman Mine (Semancor)


Mineral images (693 Images total)

Rhodochrosit
Views (File:
1221389887
): 700
Rhodochrosit
Größe: 0,5 x 5 x 7,5 cm; Fundort: Hotazel Mine, Hotazel, Kalahari Manganese Field, Northern Cape Province, Südafrika
Copyright: Christiane David; Contribution: Hg
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Hotazel Mine
Mineral: Rhodochrosite
Image: 1221389887
Rating: 8 (votes: 3)
License: Usage for Mineralienatlas project only
Rhodochrosit

Größe: 0,5 x 5 x 7,5 cm; Fundort: Hotazel Mine, Hotazel, Kalahari Manganese Field, Northern Cape Province, Südafrika

Copyright: Christiane David
Contribution: Hg 2008-09-14
More   MF 
Jaspis rot (Silex)
Views (File:
1732781379
): 17
Jaspis rot (Silex)
Dieser rote Jaspis (Silex) von Kuruman in Südafrika hat eine Höhe von etwa 68 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman
Mineral: Jasper
Image: 1732781379
License: Usage for Mineralienatlas project only
Jaspis rot (Silex)

Dieser rote Jaspis (Silex) von Kuruman in Südafrika hat eine Höhe von etwa 68 mm.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2024-11-28
More   MF 
Jouravskit
Views (File:
1567100154
): 163
Jouravskit
Jouravskit auf Xonotlit, N'Chwaning III Mine, Kalahari Manganese Field, Prov. Northern Cape, Südafrika, Bildbreite 30 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine
Mineral: Jouravskite
Image: 1567100154
License: Usage for Mineralienatlas project only
Jouravskit

Jouravskit auf Xonotlit, N'Chwaning III Mine, Kalahari Manganese Field, Prov. Northern Cape, Südafrika, Bildbreite 30 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2019-08-29
More   MF 
Kutnohorit
Views (File:
1311853367
): 469
Kutnohorit
Größe: 79x41x39 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Kutnohorite
Image: 1311853367
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Kutnohorit

Größe: 79x41x39 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2011-07-28
More   MF 
Calcit, Brucit
Views (File:
1311530316
): 1192
Calcit, Brucit
Größe: 64x33x32 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Brucite, Calcite
Image: 1311530316
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Calcit, Brucit

Größe: 64x33x32 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2011-07-24
More   MF 

Minerals (Count: 188)

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Hint

- Click on one or more elements to see only minerals including this elements (green background).

- Click twice to exclude minerals with this element (green background, red text color).

resetAlAsBaBCaCClCuFeFHHgKLiMgMnNaOPPbSiSSrTiVZnZr
Aegiriner
Hexiong Yang; Xiangping Gu; Robert T. Downs; Stanley H. Evans; Jaco J. Van Nieuwenhuizen; Robert M. Lavinsky; Xiande Xie: Meieranite, Na2Sr3MgSi6O17, a New Mineral from the Wessels Mine, Kalahari Manganese Fields, South Africa. The Canadian Mineralogist Vol. 57, Nr. 4 (2019) S. 457-466.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
4M
Alleghanyiter
XRD und SEM-EDS von Joy Desor und Gerhard Möhn
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman)
1M
Aluminosugiliter
Nagashima, M., Fukuda, C., Matsumoto, T., Imaoka, T., Odicino, G. , and Armellino, G. (2020).
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
1M
Baryter
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
8 PM
'Bixbyite group'i

stammt von der N'Chwaning II Mine
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
r
Van King

Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
6 PM
Braunite (TL)r
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
8 PM
Cairncrossite (TL)r
Giester, G., Lengauer, C.L., Pristacz, H., Rieck, B. and von Bezing, K.-L. (2013) Cairncrossite, IMA 2013-012. CNMNC
Newsletter No. 16, August 2013, page 2703; Mineralogical Magazine, 77, 2695-2709.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Calciter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
13 PM
'Chlorite group'r
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
2M
Colinowensite (TL)i
gefunden im zentral-östlichen Erzkörper
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
r
Rieck, B. (2013) Colinowensite, IMA 2012-060. CNMNC Newsletter No. 15, February 2013, page 6; Mineralogical Magazine, 77, 112.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Cryptomelaner
Nicholas Andrew Vafeas; K.S. Viljoen; Lauren Cher Blignaut: Characterization of Fibrous Cryptomelane from the Todorokite-cryptomelane Mineral Assemblage At the Sebilo Mine, Northern Cape Province, South Africa. The Canadian Mineralogist Vol.56, Nr.1 (2018) S. 65-76.

(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Sebilo Mine)
7M
Cyprine (TL)r
Panikorovskii,T.L.,Shilovskikh,V.V., Avdontseva, E.Y., Zolotarev, A.A., Pekov, I.V., Britvin, S.N. and Krivovichev, S.V. (2015) Cyprine, IMA 2015-044. CNMNC Newsletter No. 27, October 2015, page 1228; Mineralogical Magazine, 79, 1229-1236.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1 PM
Diegogattaite (TL)r
Rumsey, M.S., Welch, M.D. and Spratt, J. (2013) Diegogattaite, IMA 2012-096. CNMNC Newsletter No. 16, August 2013, page 2704; Mineralogical Magazine, 77, 2695-2709.

M. S. Rumsey, M. D. Welch, A. R. Kampf, J. Spratt, A. Christy: Diegogattaite, Na2CaCu2Si8O20·H2O: a new nanoporous copper sheet silicate from Wessels Mine, Kalahari Manganese Fields, Republic of South Africa. Mineral Mag Vol. 77, Nr. 8 (2013) S. 3155-3162.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Dolomiter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
2M
Eckermanniter
Rosa Micaela Danisi, Thomas Armbruster: Crystal structure of potassic-mangani-leakeite from the Wessels Mine, Kalahari Manganese Field, South Africa. European Journal of Mineralogy Vol. 29, Nr. 1 (2017) S. 143-148.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Ettringiter
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
5 PM
Friedeliter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
5 PM
Gageiter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
4 PM
Gaudefroyitei

stammt von der N'Chwaning II Mine
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
r
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.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)

Debbie Woolf
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
6 PM
Guidottiite (TL)r
Neue Mineralien - IMA Web-Seite November 2009
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
1M
Gypsumr
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
7 PM
Hausmanniter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
9 PM
Hydroxymcglassonite-(K) (TL)r
Yang, H., Gu, X., and Scott, M. M.: Hydroxymcglassonite-(K), IMA 2020-066, in: CNMNC Newsletter 59, Eur. J. Mineral., 33, https://doi.org/10.5194/ejm-33-139-2021, 2021.

Hexiong Yang; Xiangping Gu; Michael M. Scott: Hydroxymcglassonite-(K), KSr4Si8O20(OH)·8H2O, the first Sr-bearing member of the apophyllite group, from the Wessels mine, Kalahari Manganese Field, South Africa. American Mineralogist Vol. 107, Nr. 9 (2022) S. 1818-1822. doi: 10.2138/am-2022-8210
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Jacobsiter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
7 PM
Jouravskiter
Nikita V. Chukanov, Natalia V. Zubkova, Leonid A. Pautov, Jörg Göttlicher, Anatoly V. Kasatkin, Konstantin V. Van, Dmitriy A. Ksenofontov, Igor V. Pekov, Svetlana A. Vozchikova, Dmitry Yu. Pushcharovsky: Jouravskite: refined data on the crystal structure, chemical composition and spectroscopic properties. Physics and Chemistry of Minerals Volume 46, Issue 4 (2019) S. 417–425.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
4 PM
Kenotobermorite (TL)r
Biagioni, C., Merlino, S., Bonaccorsi, E. - The tobermorite supergroup: a new nomenclature. Mineralogical Magazine, 79 (2015), 485-495
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
2 PM
Kutnohoriter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
7 PM
Lipuite (TL)r
http://rruff.info/lipuite/display=default/
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
2 PM
Manganvesuvianite (TL)r
T. Armbruster et al. (2002) Min. Mag. 66, 137-150
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
3 PM
Meieranite (TL)r
Hexiong Yang; Xiangping Gu; Robert T. Downs; Stanley H. Evans; Jaco J. Van Nieuwenhuizen; Robert M. Lavinsky; Xiande Xie: Meieranite, Na2Sr3MgSi6O17, a New Mineral from the Wessels Mine, Kalahari Manganese Fields, South Africa. The Canadian Mineralogist Vol. 57, Nr. 4 (2019) S. 457-466.

RRUFF: RRUFF ID: R140947

Yang, H., Gu, X., Downs, R.T., Evans, S.H., van Nieuwenhuizen, J.J., Lavinsky, R.M. and Xie, X. (2015) Meieranite, IMA 2015-009. CNMNC Newsletter No. 25, June 2015, page 533; Mineralogical Magazine, 79, 529-535.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
Nchwaningite (TL)r
Amer.Min.(1995) 80, 377-386; MinRec 27:203-204
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
2 PM
Olmiite (TL)r
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.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
3 PM
Pargasiter
Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doct. diss., Rand Afrikaans Univ.).
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field)
M
Pectoliter
Hexiong Yang; Xiangping Gu; Robert T. Downs; Stanley H. Evans; Jaco J. Van Nieuwenhuizen; Robert M. Lavinsky; Xiande Xie: Meieranite, Na2Sr3MgSi6O17, a New Mineral from the Wessels Mine, Kalahari Manganese Fields, South Africa. The Canadian Mineralogist Vol. 57, Nr. 4 (2019) S. 457-466.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
3 PM
Potassic-mangani-leakeite (TL)r
Rosa Micaela Danisi, Thomas Armbruster: Crystal structure of potassic-mangani-leakeite from the Wessels Mine, Kalahari Manganese Field, South Africa. European Journal of Mineralogy Vol. 29, Nr. 1 (2017) S. 143-148.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1 PM
Prehniter
Marlina Elburg, Bruce Cairncross: Controls on the geochemistry of southern African prehnite. South African Journal of Geology Vol. 125. Nr. 1 (2022) S. 113-122. DOI: 10.25131/sajg.125.0007
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
1 PM
Quartzi

Quarz (Amethyst) stammt von der N'Chwaning II Mine
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
r
Debbie Woolf
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
9M
Rhodochrositer
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
10 PM
Saccoite (TL)r
Giester, G., Lengauer, C.L., Topa, D., Gutzmer, J. and Von Bezing, K.-L. (2019) Saccoite, IMA 2019-056. CNMNC Newsletter No. 52; Mineralogical Magazine, 83, https://doi.org/10.1180/mgm.2019.73

Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
1M
'Schalenblende'i
In den 1980er Jahren gab es wenige Stufen in Form von olivgrüner Schalenblende bis 2 mm Dicke auf Calcit. 2011 wurden wieder ein paar solcher Stufen geborgen. Wahrscheinlich wurde die selbe Druse wieder angeschnitten.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
r
Cairncross, B., and Beukes, N. J., (2013) The Kalahari Manganese Field, the adventure continues. Struik Nature Publishers, Cape Town, South Africa, pp 324
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1 PM
Sphaleritei

Kristalle im Mikromountbereich. Abgesehen davon gab es in den 1980er Jahren wenige Stufen in Form von olivgrüner Schalenblende bis 2 mm Dicke auf Calcit. 2011 wurden wieder ein paar solcher Stufen geborgen. Wahrscheinlich wurde die Druse wieder aufgemacht.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
r
Cairncross, B., and Beukes, N. J., (2013) The Kalahari Manganese Field, the adventure continues. Struik Nature Publishers, Cape Town, South Africa, pp 324
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
2M
'Stevensite'r
Cairncross, B., Dixon, R. (1995).
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field)
M
Strontioruizite (TL)r
Hexiong Yang; Xiangping Gu; Bruce Cairncross; Robert T. Downs; Stanley H. Evans: Taniajacoite and Strontioruizite, Two New Minerals Isostructural with Ruizite from the N'Chwaning III Mine, Kalahari Manganese Field, South Africa. The Canadian Mineralogist Vol. 59, Nr. 2 (2021) S. 431-444.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
1 PM
Sturmanite (TL)r
Gerald Giester; Christian L. Lengauer; Chutimun Chanmuang N.; Dan Topa; Jens Gutzmer, Karl-Ludwig von Bezing: Saccoite, Ca2Mn +32F(OH)8â‹…0.5(SO4), a new, microporous mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 814-820.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)

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.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
6 PM
Sugiliter
Hexiong Yang; Xiangping Gu; Robert T. Downs; Stanley H. Evans; Jaco J. Van Nieuwenhuizen; Robert M. Lavinsky; Xiande Xie: Meieranite, Na2Sr3MgSi6O17, a New Mineral from the Wessels Mine, Kalahari Manganese Fields, South Africa. The Canadian Mineralogist Vol. 57, Nr. 4 (2019) S. 457-466.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
4 PM
Taniajacoite (TL)r
Hexiong Yang; Xiangping Gu; Bruce Cairncross; Robert T. Downs; Stanley H. Evans: Taniajacoite and Strontioruizite, Two New Minerals Isostructural with Ruizite from the N'Chwaning III Mine, Kalahari Manganese Field, South Africa. The Canadian Mineralogist Vol. 59, Nr. 2 (2021) S. 431-444.

RRUFF http://rruff.info/taniajacoite/display=default/
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning III Mine)
2 PM
Tephroiter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
3 PM
Tobermoriter
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.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)/N'Chwaning II Mine)
2 PM
Todorokiter
Nicholas Andrew Vafeas; K.S. Viljoen; Lauren Cher Blignaut: Characterization of Fibrous Cryptomelane from the Todorokite-cryptomelane Mineral Assemblage At the Sebilo Mine, Northern Cape Province, South Africa. The Canadian Mineralogist Vol.56, Nr.1 (2018) S. 65-76.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Sebilo Mine)
7 PM
Vonbezingite (TL)r
Dai, Y., G. E. Harlow: Description and crystal structure of vonbezingite, a new Ca-Cu-SO4-H2O mineral from the Kalahari manganese field, South Africa. American Mineralogist Vol. 77 (1992) S. 1292–1300.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
2M
Xonotliter
Bruce Cairncross: Connoisseur’s Choice: Xonotlite, Wessels Mine, Kalahari Manganese Field Northern Cape Province, South Africa. Rocks & Minerals Vol. 100, Issue 3 (2025) S. 254-263.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
3 PM
Yuzuxiangite (TL)r
Gu, X., Yang, H. and Xie, X. (2021) Yuzuxiangite, IMA 2020-084. CNMNC Newsletter 60; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.30
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine))
1M
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Mineral (TL) -> mineral type locality
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Actuality: 11. Jun 2025 - 23:38:05

Rocks (Count: 9)

lutiter
L.L. Coetzee; J. Gutzmer; A.J.B. Smith; N.J. Beukes: Mineralogy and mineral paragenesis of the Palaeoproterozoic manganese ores of the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology Vol. 127, Nr. 1 (2024) S. 31-54.
(Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Avontuur Lagerstätte)
1R
Refresh list | View legend

Legend

Rock -> name of the rock
Rock (TL) -> rock type locality
-> pictures present
 5 -> number of part localities with these rock
 R -> Link to common rock page
 i -> Information etc.
 r -> Reference
Rock ? -> Occurrence douptful

Actuality: 11. Jun 2025 - 23:38:04

Subsidiary Pages

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Actuality: 11. Jun 2025 - 23:38:04

External links

Gutzmer, J. & Cairncross, B. (2002). Spectacular Minerals from the Kalahari Manganese Field, S Africa. Rocks & Min., Vol.77, H.2, S.94-107.

Reference- and Source indication, Literature

Literatur

  • Du Toit, A.L. (1956): The geology of South Africa.
  • De Villiers, P.R. (1970). The geology and mineralogy of the Kalahari manganese-field north of Sishen, Cape Province. Memoir of the Geological Survey of South Africa, No. 59, 84 S.
  • S.A. Manganese Corporation SAMCOR Ltd. (1977). Kalahari Wealth, the Story of Manganese. Purnell, Cape Town, 174 S.
  • Wilson, W.E. & Dunn, P.J. (1978): Famous mineral localities: The Kalahari Manganese Field (Cape Province, S Africa). Min.Rec.:9, S.137-153.
  • Wilson, W.E. & Dunn, P.J. (1978). Kalahari: Die Manganerzvorkommen der Kalahari. Lapis, Jg.3, Nr.10, S.29-37.
  • Kleyenstüber, A.S.E. (1982). A review of the geology and mining of the Kalahari manganese field. In: Glen, H.W. (ed.). Proc., 12th CMMI Congress. Geol. Soc. South Africa, Johannesburg, 213–20.
  • Pienaar, H.S. (1982). Gem quality friedelite from the Kalahari manganese field near Kuruman, South Africa. Gems and Gemology, 18, 221–24.
  • Giovanoli, R. (1984). Lapis Aktuell: Manganmineralien. Lapis, Jg.9, Nr.9, S.6.
  • Hochleitner, R. (1986). Sturmanit und Ettringit aus den Kalahari-Manganfeldern. Lapis, Jg.11, Nr.10, S.19-24.
  • Miyano, T. and Beukes, N.J. (1987). Physicochemical environments for the formation of quartz-free manganese oxide ores from the Early Proterozoic Hotazel Formation, Kalahari manganese field, South Africa. Econ. Geol., 82, 706–18.
  • Miyano, T. and Beukes, N.J. (1988). Estimation of carbon dioxide fugacity and braunite II stability in quartz-free manganese oxide ores from the Kalahari manganese field, South Africa. South African J. Science, 84, 244–46.
  • Von Bezing, K.L., Dixon, R.D., Pohl, D. & Cavallo, G. (1991). The Kalahari Manganese Field: An Update. Min. Rec., Vol.22, H.4, S.279-97.
  • Kleyenstüber, A.S.E. (1993). Some significant characteristics of the manganese ores and some of the minerals occurring in the Proterozoic Kalahari manganese field, South Africa. Resource Geology, 17, 2–11
  • Bezing, L.v. & Gutzmer, J. (1994). Das Kalahari Manganerzfeld und seine Mineralien (I). Min.-Welt, Jg.5, Nr.4, S.24-45.
  • Bezing, L.v. & Gutzmer, J. (1994). Das Kalahari Manganerzfeld und seine Mineralien (II). Min.-Welt. Jg.5, Nr.5, S.41-59.
  • Hoffmann, C. & Armbruster, T. (1995). Crystal structure of a (001) twinned sussexite Mn2B2O4(OH)2 from the Kalahari Manganese Field S Africa. Schweiz. Min. Petrogr. Mitt., 75, S.123-33.
  • Cairncross, B. and R. Dixon (1995). Minerals of South Africa.
  • Cornell, D.H. and Schütte, S.S. (1995). A volcanic-exhalative origin for the world’s largest (Kalahari) manganese field. Min. Depos., 30, 146–51.
  • Gutzmer, J. and Beukes, N.J. (1995). Fault controlled metasomatic alteration of Early Proterozoic sedimentary manganese ores in the Kalahari manganese field, South Africa. Econ. Geol., 90, 823–44.
  • Gutzmer, J., Beukes, N.J., Kleyenstüber, A.S.E. and Burger, A.M. (1995). Magnetic hausmannite from hydrothermally altered manganese ore in the Palaeoproterozoic Kalahari manganese deposit, Transvaal Supergroup, South Africa. Mineralogical Magazine, 59, 703–716.
  • Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doct. diss., Rand Afrikaans Univ.).
  • Gutzmer, J. and Beukes, N.J. (1996). Mineral paragenesis of the Kalahari manganese field, South Africa. Ore Geol. Rev., 11, 405–28.
  • Gutzmer, J., Beukes, N.J. and Yeh, H-W. (1997). Metasomatic and supergene fault-controlled alteration of Early Proterozoic sedimentary manganese ore at Mamatwan Mine, Kalahari manganese field, South Africa. South African J. Geol., 100, 53–71.
  • Tsikos, H. and Moore, J.M. (1997). Petrography and geochemistry of the Paleoproterozoic Hotazel Iron-Manganese Formation, Kalahari Manganese Field, South Africa: Implications for Precambrian manganese metallogenesis. Econ. Geol., 92, 87–97.
  • Cairncross, B., Beukes, N. & Gutzmer, J. (1997): The manganese adventure - the South African manganese fields.
  • Tsikos, H. and Moore, J.M. (1998). The Kalahari manganese field: An enigmatic association of iron and manganese. South African J. Geol., 101, 287–90.
  • Lüders, V., Gutzmer, J., Beukes, N.J. (1999). Formation of high-grade manganese ores in the Kalahari Manganese Field, South Africa: Evidence from fluid inclusions studies in co-genetic iron and manganese oxides, and gangue minerals. In: Stanley et al. (ed.). Mineral Deposits: Processes to Processing. Balkema, Rotterdam, 55–58.
  • Cairncross, B. & Gutzmer, J. (2000). Spektakuläre Mineralien aus dem Kalahari-Manganerzfeld, Südafrika. Lapis, Jg.25, Nr.10, S.13-26.
  • Gutzmer, J. and Beukes, N.J. (2000). Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa. South African J. Geol., 103, 163–74.
  • Steyn, P.H.R. (2000). Changing tides: the story of ASSMANG. Associated Manganese Mines of South Africa, Johannesburg, 274 S.
  • Gutzmer, J. & Cairncross, B. (2001). Seltene Mineralien aus dem Kalahari-Manganerzfeld, Südafrika. Lapis, Jg.26, Nr.10, S.31-42.
  • Evans, D.A.D., Gutzmer, J., Beukes, N.J., Kirschvink, J.L. (2001). Paleomagnetic constraints on ages of mineralization in the Kalahari manganese field, South Africa. Econ. Geol., 96, 621–31.
  • Gutzmer, J. & Cairncross, B. (2002). Spectacular Minerals from the Kalahari Manganese Field, S Africa. Rocks & Min., Vol.77, H.2, S.94-107.
  • Tsikos, H., Beukes, N.J., Moore, J.M. and Harris, C., (2003). Deposition, diagenesis and secondary enrichment of metals in the Paleoproterozoic Hotazel Iron Formation, Kalahari manganese field, South Africa. Econ. Geol., 98, 1149–1462.
  • Cairncross, B. and Balayer, P. (2007). Neufund: Shigait aus den Kalahari-Manganfeldern, Südafrika. Lapis, 32, 23–26.
  • Gutzmer, J., Du Plooy, A.P. and Beukes, N.J. (2012). Timing of supergene enrichment of low-grade manganese ores in the Kalahari Manganese Field South Africa. Ore Geol. Rev., 47, 136-53.
  • Cairncross, B., Beukes, N. J. (2013): The Kalahari Manganese Adventure – The Adventure Continues. Random House Struik, Capetown, Rep. South Africa, 384 S.
  • Vafeas, N.A. (2016). Petrography and Geochemistry of the Hotazel Formation on Mukulu 265, Kalahari Manganese Field, Northern Cape Province. MSc. Diss., Univ. Johannesburg.
  • Blignaut, L. (2017). A Petrographical and Geochemical Analysis of the Upper and Lower Manganese Ore Bodies from the Kalahari Manganese Deposit, Northern Cape, South Africa – Controls on Hydrothermal Metasomatism and Metal Upgrading. PhD thesis, Dep. Geology, Univ. Johannesburg, South Africa, 348 S.
  • Vafeas, N.A., Blignaut, L.C., Viljoen, K.S. and Meffre, S. (2018). New evidence for early onset of supergene alteration along the Kalahari unconformity. South African J. Geol., 121(2), 157-70.
  • Varentsov, I.M., V.N. Kuleshov (2019). Rare Elements—Markers of the Formation Setting of Manganese and Iron Ore Deposits in the Kalahari and Postmasburg Fields (South Africa): Communication 1. Kalahari Manganese Field. Lithology and Mineral Resources, Vol.54, Issue 4, S.333–49.
  • L. Blignaut; M.A. Elburg; K.S. Viljoen; A. Gerdes; H. Tsikos: Boron isotopes of Manganese ores from the northern part of the Kalahari Manganese Deposit, South Africa. South African Journal of Geology Vol. 127, Nr. 2 (2024) S. 421-432. doi:10.25131/sajg.127.0025

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IDs

GUSID (Global unique identifier short form) LLx5Us0zNUi7kjRxCHe6Mg
GUID (Global unique identifier) 5279BC2C-33CD-4835-BB92-34710877BA32
Database ID 1298