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Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa i
Regional Level Types
Tweefontein Farm Farm
Mokopane Town
Mogalakwena Local Municipality Municipality
Waterberg District Municipality Municipality
Limpopo Province
South Africa Country

Regional Level Types
Tweefontein Farm	Farm
Mokopane	Town
Mogalakwena Local Municipality	Municipality
Waterberg District Municipality	Municipality
Limpopo	Province
South Africa	Country

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Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Sperrylite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Sperrylite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Latitude & Longitude (WGS84):

24° 0' 10'' South , 28° 50' 0'' East

Latitude & Longitude (decimal):

Type:

Köppen climate type:

BSh : Hot semi-arid (steppe) climate

Nearest Settlements:

Place	Population	Distance
Mokopane	101,090 (2012)	27.8km

Mindat Locality ID:

25532

Long-form identifier:

mindat:1:2:25532:0

GUID (UUID V4):

A chromium mine. Located about 15 km NW of Mokopane.
238 KR (1033)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Platinum-Group Metals

Mineral List

29 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Hornfels

ⓘ Norite

ⓘ Pyroxenite

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Bornite

Formula: Cu₅FeS₄

References:

Zaccarini, F., Garuti, G., Cawthorn, R. G. (2002) Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex. The Canadian Mineralogist, 40 (2). 481-497 doi:10.2113/gscanmin.40.2.481

ⓘ Braggite

Formula: PdPt₃S₄

References:

Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254

Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa. p.1-290.p.190

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Buchanan, D.L., Nolan, J. Suddaby, P., Rouse, J. E., Viljoen, M.J. & Davenport, W.J. (1981): The genesis of sulfide mineralization in a portion of ther Potgietersrus limb of the Bushveld Complex. Economic Geolology. 76:568-579

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ 'Chlorite Group'

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

References:

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

References:

Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155

ⓘ 'Clinopyroxene Subgroup'

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Cooperite

Formula: PtS

References:

Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254

ⓘ Cordierite

Formula: Mg₂Al₄Si₅O₁₈

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Fayalite

Formula: Fe²⁺₂(SiO₄)

References:

ⓘ Forsterite

Formula: Mg₂(SiO₄)

References:

ⓘ Galena

Formula: PbS

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Isoferroplatinum

Formula: Pt₃Fe

References:

ⓘ Laurite

Formula: RuS₂

References:

Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Mertieite

Formula: Pd₈Sb_2.5As_0.5

References:

Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254

ⓘ Millerite

Formula: NiS

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Native Platinum

Formula: Pt

References:

Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155

ⓘ Native Ruthenium

Formula: (Ru,Ir)

References:

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Pyrite

Formula: FeS₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Pyrrhotite

Formula: Fe_1-xS

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Quartz

Formula: SiO₂

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Ruthenarsenite

Formula: (Ru,Ni)As

References:

ⓘ Rutile

Formula: TiO₂

References:

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

✪ Sperrylite

Formula: PtAs₂

Description: Crystals known to 3.5cm see photo ID 729804, the large loose crystal is 3.5cm Historical specimen in NHM, London 6.2 x 5.1 cm with a single xx 2.4 x 1.9, year 1924 [see Bancroft, Peter (1973) The World's Finest Minerals and Crystals].

References:

Am Min 68:11-12 pp 1249-1254

Bancroft, Peter (1973) The World's Finest Minerals and Crystals.Tav. LXI

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

Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155

ⓘ Sphalerite

Formula: ZnS

References:

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

ⓘ Stibiopalladinite (TL)

Formula: Pd₅Sb₂

Type Locality:

References:

Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254

Gallery:

Pd₅Sb₂ⓘ Stibiopalladinite (TL)

Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

Stibiopalladinite, etc.

Tweefontein Farm, Mokopane, Mogalakwena Local Municipality, Waterberg District Municipality, Limpopo, South Africa

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Ruthenium	1.AF.05	(Ru,Ir)
ⓘ	Native Platinum	1.AF.10	Pt
ⓘ	Isoferroplatinum	1.AG.35	Pt₃Fe
Group 2 - Sulphides and Sulfosalts
ⓘ	Mertieite	2.AC.10b	Pd₈Sb_2.5As_0.5
ⓘ	Stibiopalladinite (TL)	2.AC.20a	Pd₅Sb₂
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Ruthenarsenite	2.CC.15	(Ru,Ni)As
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Braggite	2.CC.35a	PdPt₃S₄
ⓘ	Cooperite	2.CC.35b	PtS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Laurite	2.EB.05a	RuS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Sperrylite	2.EB.05a	PtAs₂
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
Group 9 - Silicates
ⓘ	Fayalite	9.AC.05	Fe²⁺₂(SiO₄)
ⓘ	Forsterite	9.AC.05	Mg₂(SiO₄)
ⓘ	Cordierite	9.CJ.10	Mg₂Al₄Si₅O₁₈
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Dolomite	CaMg(CO₃)₂
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Fayalite	Fe₂²⁺(SiO₄)
O	ⓘ Forsterite	Mg₂(SiO₄)
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Forsterite	Mg₂(SiO₄)
Al	Aluminium
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Cordierite	Mg₂Al₄Si₅O₁₈
Si	ⓘ Fayalite	Fe₂²⁺(SiO₄)
Si	ⓘ Forsterite	Mg₂(SiO₄)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
S	Sulfur
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Braggite	PdPt₃S₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cooperite	PtS
S	ⓘ Galena	PbS
S	ⓘ Laurite	RuS₂
S	ⓘ Millerite	NiS
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Fayalite	Fe₂²⁺(SiO₄)
Fe	ⓘ Isoferroplatinum	Pt₃Fe
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Ni	Nickel
Ni	ⓘ Millerite	NiS
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Ni	ⓘ Ruthenarsenite	(Ru,Ni)As
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Mertieite	Pd₈Sb_2.5As_0.5
As	ⓘ Ruthenarsenite	(Ru,Ni)As
As	ⓘ Sperrylite	PtAs₂
Ru	Ruthenium
Ru	ⓘ Laurite	RuS₂
Ru	ⓘ Ruthenarsenite	(Ru,Ni)As
Ru	ⓘ Native Ruthenium	(Ru,Ir)
Pd	Palladium
Pd	ⓘ Braggite	PdPt₃S₄
Pd	ⓘ Mertieite	Pd₈Sb_2.5As_0.5
Pd	ⓘ Stibiopalladinite	Pd₅Sb₂
Sb	Antimony
Sb	ⓘ Mertieite	Pd₈Sb_2.5As_0.5
Sb	ⓘ Stibiopalladinite	Pd₅Sb₂
Ir	Iridium
Ir	ⓘ Native Ruthenium	(Ru,Ir)
Pt	Platinum
Pt	ⓘ Braggite	PdPt₃S₄
Pt	ⓘ Cooperite	PtS
Pt	ⓘ Isoferroplatinum	Pt₃Fe
Pt	ⓘ Native Platinum	Pt
Pt	ⓘ Sperrylite	PtAs₂
Pb	Lead
Pb	ⓘ Galena	PbS

Other Regions, Features and Areas containing this locality

AfricaContinent

African Plate

Kalahari Craton
- Kaapvaal CratonCraton

Somali PlateTectonic Plate

South Africa

Bushveld ComplexComplex
⭔TransvaalProvince

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

Wagner, Percy A. (1929) The Platinum Deposits and Mines of South Africa. Oliver and Boyd.

Cabri, Louis J., Chen, Tzong T. (1976) Stibiopalladinite from the type locality. American Mineralogist, 61 (11-12) 1249-1254

Mining Annual Review (1985): 92.

Wilson, Wendell E. (2010) Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa. The Mineralogical Record, 41 (2) 147-155

McCutcheon, S. (2013). Platinum-group mineral assemblages in the Platreef on Tweefontein, Northern Bushveld complex, South Africa Masters thesis University of the Witwatersrand.

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