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Western Belt, Gamagara Ridge, Northern Cape, South Africa i
Regional Level Types
Western Belt Belt
Gamagara Ridge Ridge
Northern Cape Province
South Africa Country

Regional Level Types
Western Belt	Belt
Gamagara Ridge	Ridge
Northern Cape	Province
South Africa	Country

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Gloucester Farm, Postmasburg

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Glosam mining village entrance

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Gloucester Farm, Postmasburg

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Gloucester Farm, Postmasburg

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Glosam mining village entrance

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Gloucester Farm, Postmasburg

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Gloucester Farm, Postmasburg

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Glosam mining village entrance

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Type:

Belt

Mindat Locality ID:

273151

Long-form identifier:

mindat:1:2:273151:6

GUID (UUID V4):

Ferruginous manganese ores.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Iron

ⓘ Manganese

Mineral List

Mineral list contains entries from the region specified including sub-localities

25 valid minerals.

Rock Types Recorded

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Chert

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Locality: Mokanning Farm 49, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Description: Found associated with braunite

References:

Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa. p.1-290.p.180

ⓘ Amesite

Formula: Mg₂Al(AlSiO₅)(OH)₄

Localities:

Magoloring Farm 668, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Bishop farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Japie's Rus, Driehoekspan, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Japies Rus, Magoloring Farm 668, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Locality: Doornfontein Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Baryte

Formula: BaSO₄

Localities:

Western Belt, Gamagara Ridge, Northern Cape, South Africa
Lohatlha Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Beeshoek Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Japie's Rus, Driehoekspan, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Kapstewel, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ Birnessite

Formula: (Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O

Locality: Lohatlha Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Bixbyite-(Mn)

Formula: Mn³⁺₂O₃

Localities: Reported from at least 12 localities in this region.

ⓘ Braunite

Formula: Mn²⁺Mn³⁺₆(SiO₄)O₈

Localities: Reported from at least 12 localities in this region.

ⓘ Cryptomelane

Formula: K(Mn⁴⁺₇Mn³⁺)O₁₆

Localities:

Western Belt, Gamagara Ridge, Northern Cape, South Africa
Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ Diaspore

Formula: AlO(OH)

Localities: Reported from at least 10 localities in this region.

ⓘ Diaspore var. Mangan-diaspore

Formula: (Al,Mn)O(OH)

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

Mineralogical Magazine (1997) 61:213-231

ⓘ Ephesite

Formula: NaLiAl₂(Al₂Si₂O₁₀)(OH)₂

Localities: Reported from at least 8 localities in this region.

ⓘ Gamagarite

Formula: Ba₂Fe³⁺(VO₄)₂(OH)

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

Mineralogical Magazine (1997) 61:213-231

ⓘ Goethite

Formula: Fe³⁺O(OH)

Localities:

Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Doornfontein Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Kapstewel, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ Hausmannite

Formula: Mn²⁺Mn³⁺₂O₄

Locality: Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Hematite

Formula: Fe₂O₃

Localities: Reported from at least 9 localities in this region.

ⓘ Hematite var. Specularite

Formula: Fe₂O₃

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Localities:

Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ Lithiophorite

Formula: (Al,Li)MnO₂(OH)₂

Localities: Reported from at least 8 localities in this region.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities: Reported from at least 6 localities in this region.

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Localities: Reported from at least 6 localities in this region.

ⓘ 'Psilomelane'

Localities: Reported from at least 9 localities in this region.

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Localities: Reported from at least 9 localities in this region.

ⓘ Pyrophyllite

Formula: Al₂Si₄O₁₀(OH)₂

Locality: Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa. p.1-290.

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 6 localities in this region.

ⓘ Ramsdellite

Formula: Mn⁴⁺O₂

Locality: Bishop farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Romanèchite

Formula: (Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀

Localities:

Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Western Belt, Gamagara Ridge, Northern Cape, South Africa
Bishop farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

ⓘ Rutile

Formula: TiO₂

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Svanbergite

Formula: SrAl₃(PO₄)(SO₄)(OH)₆

Locality: Beeshoek Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

Van Deventer, J.F. 2009. Textural and geochemical evidence for a supergene origin of the Paleoproterozoic high-grade BIF-hosted iron ores of the Maremane dome, Northern Cape Province, South Africa. MSc dissertation. Department of Geology, University of Johannesburg, Johannesburg, South Africa, 107 pages.

ⓘ 'Tourmaline'

Formula: AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Glosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

References:

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

ⓘ Zunyite

Formula: Al₁₃Si₅O₂₀(OH,F)₁₈Cl

Localities:

Lohatlha Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Paling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
Doornfontein Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Gallery:

Mn³⁺₂O₃ⓘ Bixbyite-(Mn)

Bixbyite-(Mn), etc.

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Bixbyite-(Mn), etc.

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

Bixbyite-(Mn), etc.

Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	Hausmannite	4.BB.10	Mn²⁺Mn³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	var. Specularite	4.CB.05	Fe₂O₃
ⓘ	Bixbyite-(Mn)	4.CB.10	Mn³⁺₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Ramsdellite	4.DB.15a	Mn⁴⁺O₂
ⓘ	Cryptomelane	4.DK.05a	K(Mn⁴⁺₇Mn³⁺)O₁₆
ⓘ	Romanèchite	4.DK.10	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
ⓘ	Diaspore	4.FD.10	AlO(OH)
ⓘ	var. Mangan-diaspore	4.FD.10	(Al,Mn)O(OH)
ⓘ	Lithiophorite	4.FE.25	(Al,Li)MnO₂(OH)₂
ⓘ	Birnessite	4.FL.45	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Gamagarite	8.BG.05	Ba₂Fe³⁺(VO₄)₂(OH)
ⓘ	Svanbergite	8.BL.05	SrAl₃(PO₄)(SO₄)(OH)₆
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Braunite	9.AG.05	Mn²⁺Mn³⁺₆(SiO₄)O₈
ⓘ	Zunyite	9.BJ.55	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Pyrophyllite	9.EC.10	Al₂Si₄O₁₀(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Ephesite	9.EC.20	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Amesite	9.ED.15	Mg₂Al(AlSiO₅)(OH)₄
Unclassified
ⓘ	'Psilomelane'	-
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
H	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
H	ⓘ Diaspore	AlO(OH)
H	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
H	ⓘ Gamagarite	Ba₂Fe³⁺(VO₄)₂(OH)
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Lithiophorite	(Al,Li)MnO₂(OH)₂
H	ⓘ Diaspore var. Mangan-diaspore	(Al,Mn)O(OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
H	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
H	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
H	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Li	Lithium
Li	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
Li	ⓘ Lithiophorite	(Al,Li)MnO₂(OH)₂
B	Boron
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
O	ⓘ Baryte	BaSO₄
O	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
O	ⓘ Bixbyite-(Mn)	Mn₂³⁺O₃
O	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
O	ⓘ Cryptomelane	K(Mn₇⁴⁺Mn³⁺)O₁₆
O	ⓘ Diaspore	AlO(OH)
O	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
O	ⓘ Gamagarite	Ba₂Fe³⁺(VO₄)₂(OH)
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Lithiophorite	(Al,Li)MnO₂(OH)₂
O	ⓘ Diaspore var. Mangan-diaspore	(Al,Mn)O(OH)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Ramsdellite	Mn⁴⁺O₂
O	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
O	ⓘ Rutile	TiO₂
O	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
O	ⓘ Hematite var. Specularite	Fe₂O₃
O	ⓘ Apatite	Ca₅(PO₄)₃A
F	Fluorine
F	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Na	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
Mg	Magnesium
Mg	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Al	Aluminium
Al	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Al	ⓘ Diaspore	AlO(OH)
Al	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Lithiophorite	(Al,Li)MnO₂(OH)₂
Al	ⓘ Diaspore var. Mangan-diaspore	(Al,Mn)O(OH)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Al	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
Al	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Si	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Si	ⓘ Ephesite	NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
P	Phosphorus
P	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
Cl	Chlorine
Cl	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
K	Potassium
K	ⓘ Cryptomelane	K(Mn₇⁴⁺Mn³⁺)O₁₆
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
V	Vanadium
V	ⓘ Gamagarite	Ba₂Fe³⁺(VO₄)₂(OH)
Mn	Manganese
Mn	ⓘ Birnessite	(Na,Ca)_0.5(Mn⁴⁺,Mn³⁺)₂O₄ · 1.5H₂O
Mn	ⓘ Bixbyite-(Mn)	Mn₂³⁺O₃
Mn	ⓘ Braunite	Mn²⁺Mn₆³⁺(SiO₄)O₈
Mn	ⓘ Cryptomelane	K(Mn₇⁴⁺Mn³⁺)O₁₆
Mn	ⓘ Hausmannite	Mn²⁺Mn₂³⁺O₄
Mn	ⓘ Lithiophorite	(Al,Li)MnO₂(OH)₂
Mn	ⓘ Diaspore var. Mangan-diaspore	(Al,Mn)O(OH)
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Mn	ⓘ Ramsdellite	Mn⁴⁺O₂
Mn	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Gamagarite	Ba₂Fe³⁺(VO₄)₂(OH)
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hematite var. Specularite	Fe₂O₃
Sr	Strontium
Sr	ⓘ Svanbergite	SrAl₃(PO₄)(SO₄)(OH)₆
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Gamagarite	Ba₂Fe³⁺(VO₄)₂(OH)
Ba	ⓘ Romanèchite	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀

Localities in this Region

South Africa

Northern Cape
- Gamagara Ridge
  - Western Belt

South Africa

Northern Cape
- Gamagara Ridge
  - Western Belt

Other Regions, Features and Areas containing this locality

Africa

Kalahari DesertDesert

African PlateTectonic Plate

South Africa

Northern Cape
- Postmasburg manganese fieldMining Field

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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

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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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Western Belt, Gamagara Ridge, Northern Cape, South AfricaiRegional Level TypesWestern BeltBelt Gamagara RidgeRidge Northern CapeProvince South AfricaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Commodity List

Mineral List

Rock Types Recorded

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Localities in this Region

Other Regions, Features and Areas containing this locality

References

Western Belt, Gamagara Ridge, Northern Cape, South Africa i
Regional Level Types
Western Belt Belt
Gamagara Ridge Ridge
Northern Cape Province
South Africa Country