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Postmasburg manganese field, Northern Cape Province, South Africa

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Detailed Mineral List:
Aegirine
Reference: Minerals of South Africa
Localities: Recorded from at least 3 other localities in this region.
Akdalaite
Description: ROM specimen M16225
Reference: Zhou, B., Sherriff, B. L., Taulelle, F., & Wu, G. (2003). Nuclear magnetic resonance study of Al: Si and F: OH order in zunyite. The Canadian Mineralogist, 41(4), 891-903.
Alabandite
Description: Reference given (Collection Elmar Lackner) is erroneous see http://www.mindat.org/mesg-7-152224.html. There is no manganese sulphides at Postmasburg as advised by Bruce Cairncross in personal communication. Debbie Woolf
Albite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Amesite
Localities: Magoloring farm, Postmasburg manganese field, Northern Cape Province, South Africa
Bishop farm, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Japie's Rust, Postmasburg manganese field, Northern Cape Province, South Africa
'Apatite'
Locality: Doornfontein, Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Armbrusterite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Banalsite
Reference: Minerals of South Africa
Baryte
Localities: Reported from at least 8 localities in this region.
Birnessite
Locality: Lohatlha Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Bixbyite
Reference: Gaines (1991) Dana's New Mineralogy: The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana
Localities: Recorded from at least 9 other localities in this region.
Photo: © Elmar Lackner. Bixbyite from Postmasburg manganese field, Northern Cape Province, South Africa
Braunite
Reference: Minerals of South Africa; Schaller W T, Carron M K, Fleischer M (1967) Ephesite, Na(LiAl2)(Al2Si2)O10(OH)2, a trioctahedral member of the margarite group, and related brittle micas, American Mineralogist, 52, 1689-1696
Localities: Recorded from at least 16 other localities in this region.
Calcite
Reference: Minerals of South Africa
'Chert'
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Manganore, Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Cryptomelane
Reference: Minerals of South Africa
Localities: Recorded from at least 3 other localities in this region.
Diaspore
Reference: ; Minerals of South Africa; Schaller W T, Carron M K, Fleischer M (1967) Ephesite, Na(LiAl2)(Al2Si2)O10(OH)2, a trioctahedral member of the margarite group, and related brittle micas, American Mineralogist, 52, 1689-1696 ; Zhou, B., Sherriff, B. L., Taulelle, F., & Wu, G. (2003). Nuclear magnetic resonance study of Al: Si and F: OH order in zunyite. The Canadian Mineralogist, 41(4), 891-903.
Localities: Recorded from at least 9 other localities in this region.
Photo: © Elmar Lackner. Diaspore from Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Diaspore var: Mangan-diaspore
Locality: Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Photo: © Leon Hupperichs. Mangan-diaspore from Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Ephesite
Reference: ; Minerals of South Africa; Schaller W T, Carron M K, Fleischer M (1967) Ephesite, Na(LiAl2)(Al2Si2)O10(OH)2, a trioctahedral member of the margarite group, and related brittle micas, American Mineralogist, 52, 1689-1696
Localities: Recorded from at least 7 other localities in this region.
Photo: © Peter Kohorst. Ephesite from Gamagara Ridge, Gloucester Farm, Postmasburg manganese field, Northern Cape Province, South Africa
'Feldspar Group'
Locality: Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Gamagarite (TL)
Type Locality: Gamagara Ridge, Gloucester Farm, Postmasburg manganese field, Northern Cape Province, South Africa
Reference: Amer.Min.(1943) 28, 329-335; The Manganese Adventure: The South African Manganese Fields
Localities: Recorded from at least 1 other locality in this region.
Gibbsite
Reference: Minerals of South Africa
Goethite
Localities: Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Paling farm, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Aucampsrust, Eastern Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Doornfontein, Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Kapstewel, Eastern belt, Postmasburg manganese field, Northern Cape Province, South Africa
Hausmannite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Paling farm, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Aucampsrust, Eastern Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Photo: Hausmannite from Postmasburg manganese field, Northern Cape Province, South Africa
Hematite
Reference: Minerals of South Africa
Localities: Recorded from at least 14 other localities in this region.
Photo: © Uwe Kolitsch. Hematite from Sishen Mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Hematite var: Specularite
Locality: Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Hydroxylapatite
Locality: Gamagara Ridge, Gloucester Farm, Postmasburg manganese field, Northern Cape Province, South Africa
Kaolinite
Localities: Paling farm, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Kentrolite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
'K Feldspar'
Reference: Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990
Localities: Recorded from at least 1 other locality in this region.
Lithiophorite
Reference: Minerals of South Africa
Localities: Recorded from at least 9 other localities in this region.
Photo: © Maggie Wilson. Lithiophorite from Gloucester Farm, Postmasburg manganese field, Northern Cape Province, South Africa
'Manganese'
Locality: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Manganite
Reference: Minerals of South Africa
Muscovite
Localities: Reported from at least 8 localities in this region.
Muscovite var: Illite
Localities: Reported from at least 8 localities in this region.
Noelbensonite
Reference: Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990
Norrishite
Localities: Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa ? (more information)
Opal
Reference: Minerals of South Africa
'Partridgeite'
Reference: Economic Geology (1996) 91:1435-1454
Localities: Recorded from at least 9 other localities in this region.
'Psilomelane'
Reference: Minerals of South Africa
Localities: Recorded from at least 11 other localities in this region.
Pyrolusite
Reference: Minerals of South Africa
Localities: Recorded from at least 12 other localities in this region.
Pyrophyllite
Reference: Minerals of South Africa
Localities: Recorded from at least 1 other locality in this region.
Quartz
Localities: Reported from at least 11 localities in this region.
Ramsdellite
Reference: Minerals of South Africa
Localities: Recorded from at least 1 other locality in this region.
Romanèchite
Localities: Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Bishop farm, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Rutile
Reference: Zhou, B., Sherriff, B. L., Taulelle, F., & Wu, G. (2003). Nuclear magnetic resonance study of Al: Si and F: OH order in zunyite. The Canadian Mineralogist, 41(4), 891-903.
Localities: Recorded from at least 1 other locality in this region.
Sérandite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Strontianite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Sugilite
Localities: Borehole AKH49, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Bruce mine, Sishen, Kathu, Postmasburg manganese field, Northern Cape Province, South Africa
Tokyoite
Reference: Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990
'Tourmaline'
Locality: Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
'Unnamed (Possible Ordered As-analogue of Tokyoite)'
Reference: Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990
Witherite
Reference: Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990
Localities: Recorded from at least 2 other localities in this region.
Zircon
Locality: Glosam Mine, Western Belt, Postmasburg manganese field, Northern Cape Province, South Africa
Zunyite
Reference: Minerals of South Africa; Zhou, B., Sherriff, B. L., Taulelle, F., & Wu, G. (2003). Nuclear magnetic resonance study of Al: Si and F: OH order in zunyite. The Canadian Mineralogist, 41(4), 891-903.
Localities: Recorded from at least 3 other localities in this region.
Photo: Zunyite from Postmasburg manganese field, Northern Cape Province, South Africa

41 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

References

Economic Geology (1996): 91: 1414-1434.

Cairncross, B, Beukes, N, Gutzmer, J (1997): The Manganese Adventure

Mineralogical Magazine (1997): 61: 213-231.

Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doctoral dissertation, Rand Afrikaans University).

Mineral and/or Locality  
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