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N'Chwaning III Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africai
Regional Level Types
N'Chwaning III MineMine
N'Chwaning MinesGroup of Mines
Kuruman- not defined -
Kalahari manganese field- not defined -
Northern CapeProvince
South AfricaCountry

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Key
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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 27° South , 22° East (est.)
Margin of Error:~1km
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Development of this mine was initiated in 1997 although production did not commence until 2004 and by 2006 the mine became fully operational.

Regions containing this locality

African PlateTectonic Plate
Kalahari Desert, AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


25 valid minerals. 3 (TL) - type locality of valid minerals. 2 erroneous literature entries.

Detailed Mineral List:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Baryte
Formula: BaSO4
Bixbyite
Formula: Mn3+2O3
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Brucite
Formula: Mg(OH)2
Calcite
Formula: CaCO3
Calcite var: Manganoan Calcite
Formula: (Ca,Mn)CO3
Celestine
Formula: SrSO4
Despujolsite
Formula: Ca3Mn4+(SO4)2(OH)6 · 3H2O
Ettringite
Formula: Ca6Al2(SO4)3(OH)12 · 26H2O
Gaudefroyite
Formula: Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3
Goethite
Formula: α-Fe3+O(OH)
Hausmannite
Formula: Mn2+Mn3+2O4
Hematite
Formula: Fe2O3
Jouravskite
Formula: Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O
Lipuite (TL)
Formula: KNa8Mn3+5 Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
Type Locality:
'Manganese Oxides'
Manganvesuvianite
Formula: Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Olmiite
Formula: CaMn2+[SiO3(OH)](OH)
Oyelite
Formula: Ca10Si8B2O29 · 12.5H2O
Pectolite
Formula: NaCa2Si3O8(OH)
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Rhodochrosite
Formula: MnCO3
Strontioruizite (TL)
Formula: Sr2Mn3+2Si4O11(OH)4 · 2H2O
Type Locality:
Sturmanite
Formula: Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Sugilite
Formula: K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Taniajacoite (TL)
Formula: SrCaMn3+2Si4O11(OH)4·2H2O
Type Locality:
'Unnamed (Al-dominant analog of Sugilite)'
Formula: K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
Xonotlite
Formula: Ca6(Si6O17)(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Bixbyite ?4.CB.10Mn3+2O3
Brucite4.FE.05Mg(OH)2
Goethite4.00.α-Fe3+O(OH)
Hausmannite4.BB.10Mn2+Mn3+2O4
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
var: Manganoan Calcite5.AB.05(Ca,Mn)CO3
Rhodochrosite5.AB.05MnCO3
Group 6 - Borates
Gaudefroyite ?6.AB.60Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Despujolsite7.DF.25Ca3Mn4+(SO4)2(OH)6 · 3H2O
Ettringite7.DG.15Ca6Al2(SO4)3(OH)12 · 26H2O
Jouravskite7.DG.15Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O
Sturmanite7.DG.15Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Manganvesuvianite9.BG.35Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Olmiite9.AF.90CaMn2+[SiO3(OH)](OH)
Oyelite9.HA.80Ca10Si8B2O29 · 12.5H2O
Pectolite9.DG.05NaCa2Si3O8(OH)
Sugilite9.CM.05K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Xonotlite9.DG.35Ca6(Si6O17)(OH)2
Unclassified Minerals, Rocks, etc.
Lipuite (TL)-KNa8Mn3+5 Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
'Manganese Oxides'-
Strontioruizite (TL)-Sr2Mn3+2Si4O11(OH)4 · 2H2O
Taniajacoite (TL)- SrCaMn3+2Si4O11(OH)4·2H2O
'Unnamed (Al-dominant analog of Sugilite)'-K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Bixbyite ?4.3.7.2Mn3+2O3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
X(OH)2
Brucite6.2.1.1Mg(OH)2
Group 7 - MULTIPLE OXIDES
AB2X4
Hausmannite7.2.7.1Mn2+Mn3+2O4
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Rhodochrosite14.1.1.4MnCO3
Group 27 - COMPOUND BORATES
Miscellaneous
Gaudefroyite ?27.1.2.1Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Celestine28.3.1.2SrSO4
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Despujolsite31.7.6.1Ca3Mn4+(SO4)2(OH)6 · 3H2O
Miscellaneous
Ettringite31.10.2.1Ca6Al2(SO4)3(OH)12 · 26H2O
Group 32 - COMPOUND SULFATES
Hydrated Compound Sulfates containing Hydroxyl or Halogen
Jouravskite32.4.4.3Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O
Sturmanite32.4.4.2Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Group 63 - CYCLOSILICATES Condensed Rings
Condensed Rings (Milarite - Osumilite group)
Sugilite63.2.1a.9K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Ca-Na subgroup
Xonotlite66.3.1.1Ca6(Si6O17)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Oyelite72.3.2.8Ca10Si8B2O29 · 12.5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Calcite
var: Manganoan Calcite
-(Ca,Mn)CO3
Lipuite (TL)-KNa8Mn3+5 Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
'Manganese Oxides'-
Manganvesuvianite-Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Olmiite-CaMn2+[SiO3(OH)](OH)
Strontioruizite (TL)-Sr2Mn3+2Si4O11(OH)4 · 2H2O
Taniajacoite (TL)- SrCaMn3+2Si4O11(OH)4·2H2O
'Unnamed (Al-dominant analog of Sugilite)'-K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]

List of minerals for each chemical element

HHydrogen
H LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
H Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
H StrontioruiziteSr2Mn23+Si4O11(OH)4 · 2H2O
H ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
H OyeliteCa10Si8B2O29 · 12.5H2O
H SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
H DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
H OlmiiteCaMn2+[SiO3(OH)](OH)
H BruciteMg(OH)2
H Goethiteα-Fe3+O(OH)
H JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
H XonotliteCa6(Si6O17)(OH)2
H EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
H PectoliteNaCa2Si3O8(OH)
LiLithium
Li SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Li Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
BBoron
B OyeliteCa10Si8B2O29 · 12.5H2O
B SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
B GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
CCarbon
C CalciteCaCO3
C Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
C RhodochrositeMnCO3
C JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
C GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
OOxygen
O LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
O Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
O StrontioruiziteSr2Mn23+Si4O11(OH)4 · 2H2O
O BrauniteMn2+Mn63+(SiO4)O8
O CalciteCaCO3
O Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
O AndraditeCa3Fe23+(SiO4)3
O ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
O HematiteFe2O3
O OyeliteCa10Si8B2O29 · 12.5H2O
O QuartzSiO2
O SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
O DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
O RhodochrositeMnCO3
O OlmiiteCaMn2+[SiO3(OH)](OH)
O BaryteBaSO4
O BruciteMg(OH)2
O HausmanniteMn2+Mn23+O4
O SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
O CelestineSrSO4
O Goethiteα-Fe3+O(OH)
O JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
O XonotliteCa6(Si6O17)(OH)2
O Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
O EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
O PectoliteNaCa2Si3O8(OH)
O GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
O BixbyiteMn23+O3
NaSodium
Na LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
Na SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Na Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
Na PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mg LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
Mg ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Mg BruciteMg(OH)2
AlAluminium
Al ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Al SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Al SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Al Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
Al EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
SiSilicon
Si LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
Si Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
Si StrontioruiziteSr2Mn23+Si4O11(OH)4 · 2H2O
Si BrauniteMn2+Mn63+(SiO4)O8
Si AndraditeCa3Fe23+(SiO4)3
Si ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Si OyeliteCa10Si8B2O29 · 12.5H2O
Si QuartzSiO2
Si OlmiiteCaMn2+[SiO3(OH)](OH)
Si SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Si XonotliteCa6(Si6O17)(OH)2
Si Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
Si PectoliteNaCa2Si3O8(OH)
PPhosphorus
P LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
SSulfur
S PyriteFeS2
S SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
S DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
S BaryteBaSO4
S CelestineSrSO4
S JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
S EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
KPotassium
K LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
K SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
K Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
CaCalcium
Ca Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
Ca CalciteCaCO3
Ca Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
Ca AndraditeCa3Fe23+(SiO4)3
Ca ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Ca OyeliteCa10Si8B2O29 · 12.5H2O
Ca SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Ca DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
Ca OlmiiteCaMn2+[SiO3(OH)](OH)
Ca JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
Ca XonotliteCa6(Si6O17)(OH)2
Ca EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Ca PectoliteNaCa2Si3O8(OH)
Ca GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
MnManganese
Mn LipuiteKNa8Mn53+ Mg0.5[Si12O30(OH)4](PO4)O2(OH)2·4H2O
Mn Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
Mn StrontioruiziteSr2Mn23+Si4O11(OH)4 · 2H2O
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
Mn ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Mn SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Mn DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2O
Mn RhodochrositeMnCO3
Mn OlmiiteCaMn2+[SiO3(OH)](OH)
Mn HausmanniteMn2+Mn23+O4
Mn SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Mn JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
Mn Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
Mn GaudefroyiteCa4Mn3+2-3(BO3)3(CO3)(O,OH)3
Mn BixbyiteMn23+O3
FeIron
Fe PyriteFeS2
Fe AndraditeCa3Fe23+(SiO4)3
Fe ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Fe HematiteFe2O3
Fe SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
Fe SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Fe Goethiteα-Fe3+O(OH)
Fe Unnamed (Al-dominant analog of Sugilite)K(Na,□)2Li3(Al,Mn,Fe)2[Si12O30]
SrStrontium
Sr Taniajacoite SrCaMn23+Si4O11(OH)4·2H2O
Sr StrontioruiziteSr2Mn23+Si4O11(OH)4 · 2H2O
Sr CelestineSrSO4
ZrZirconium
Zr SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
BaBarium
Ba BaryteBaSO4

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cairncross, B. and Beukes, N. J., (2013) The Kalahari Manganese Field, the adventure continues. Struik Nature Publishers, Cape Town, South Africa.


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