SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Johannesburg District (Central Rand), Gauteng, South Africai
Regional Level Types
Johannesburg District (Central Rand)District
GautengProvince
South AfricaCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Gold mine in the Johannesburg area 1974

Johannesburg District, Gauteng, South Africa
Latitude & Longitude (WGS84):
26° South , 27° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~14km
Locality type:


No description has been added for this locality. Can you add one?

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Transvaal, South AfricaProvince (Former)
Witwatersrand goldfield, South AfricaMining Region

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List

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

14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Anatase
Formula: TiO2
Colour: steel-grey
Description: The Main Reef Leader consists of clusters of flattened octahedral pyrite crystals to 20mm and scattered crystals to 5mm of Anatase.
Reference: Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, pg 182;
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Aragonite
Formula: CaCO3
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Calcite
Formula: CaCO3
Dolomite
Formula: CaMg(CO3)2
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Galena
Formula: PbS
Reference: Dr Günter Grundmann specimen and analysis.
Gold
Formula: Au
Localities: Reported from at least 8 localities in this region.
Gwihabaite
Formula: (NH4,K)NO3
Reference: Handbook of Mineralogy; Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
'Manganomelane'
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Nitrocalcite
Formula: Ca(NO3)2 · 4H2O
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Nitromagnesite
Formula: Mg(NO3)2 · 6H2O
Reference: Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Pyrite
Formula: FeS2
'Pyrobitumen'
Reference: Dr Günter Grundmann specimen and analysis.
'Pyrobitumen var: Thucholite'
Reference: Dr Günter Grundmann specimen and analysis.
Quartz
Formula: SiO2
Quartz var: Amethyst
Formula: SiO2
Reference: Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, 236 pp.
Quartz var: Citrine
Formula: SiO2
Reference: Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, 236 pp.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, 236 pp.
Schertelite
Formula: (NH4)2MgH2(PO4)2 · 4H2O
Reference: Handbook of Mineralogy; Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Uraninite
Formula: UO2
Reference: Dr Günter Grundmann specimen and analysis.
Uraninite var: Pitchblende
Formula: UO2
Reference: Dr Günter Grundmann specimen and analysis.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Gwihabaite5.NA.15(NH4,K)NO3
Nitrocalcite5.NC.10Ca(NO3)2 · 4H2O
Nitromagnesite5.NC.05Mg(NO3)2 · 6H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Schertelite8.CH.30(NH4)2MgH2(PO4)2 · 4H2O
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Manganomelane'-
'Pyrobitumen'-
'var: Thucholite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Anatase4.4.4.1TiO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 18 - NORMAL NITRATES
A(XO3)2·xH2O, where x can equal zero
Nitrocalcite18.2.2.1Ca(NO3)2 · 4H2O
Nitromagnesite18.2.3.1Mg(NO3)2 · 6H2O
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
Miscellaneous
Schertelite39.3.2.1(NH4)2MgH2(PO4)2 · 4H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Aragonite-CaCO3
Gwihabaite-(NH4,K)NO3
'Manganomelane'-
'Pyrobitumen'-
'var: Thucholite'-
Quartz
var: Amethyst
-SiO2
var: Citrine-SiO2
var: Smoky Quartz-SiO2
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

HHydrogen
H Schertelite(NH4)2MgH2(PO4)2 · 4H2O
H Gwihabaite(NH4,K)NO3
H ApatiteCa5(PO4)3(Cl/F/OH)
H NitromagnesiteMg(NO3)2 · 6H2O
H NitrocalciteCa(NO3)2 · 4H2O
H GypsumCaSO4 · 2H2O
CCarbon
C CalciteCaCO3
C AragoniteCaCO3
C DolomiteCaMg(CO3)2
NNitrogen
N Schertelite(NH4)2MgH2(PO4)2 · 4H2O
N Gwihabaite(NH4,K)NO3
N NitromagnesiteMg(NO3)2 · 6H2O
N NitrocalciteCa(NO3)2 · 4H2O
OOxygen
O Schertelite(NH4)2MgH2(PO4)2 · 4H2O
O AnataseTiO2
O QuartzSiO2
O Quartz (var: Amethyst)SiO2
O Quartz (var: Smoky Quartz)SiO2
O Quartz (var: Citrine)SiO2
O Gwihabaite(NH4,K)NO3
O CalciteCaCO3
O AragoniteCaCO3
O DolomiteCaMg(CO3)2
O ApatiteCa5(PO4)3(Cl/F/OH)
O NitromagnesiteMg(NO3)2 · 6H2O
O NitrocalciteCa(NO3)2 · 4H2O
O GypsumCaSO4 · 2H2O
O Uraninite (var: Pitchblende)UO2
O UraniniteUO2
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg Schertelite(NH4)2MgH2(PO4)2 · 4H2O
Mg DolomiteCaMg(CO3)2
Mg NitromagnesiteMg(NO3)2 · 6H2O
SiSilicon
Si QuartzSiO2
Si Quartz (var: Amethyst)SiO2
Si Quartz (var: Smoky Quartz)SiO2
Si Quartz (var: Citrine)SiO2
PPhosphorus
P Schertelite(NH4)2MgH2(PO4)2 · 4H2O
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
S GalenaPbS
S GypsumCaSO4 · 2H2O
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Gwihabaite(NH4,K)NO3
CaCalcium
Ca CalciteCaCO3
Ca AragoniteCaCO3
Ca DolomiteCaMg(CO3)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca NitrocalciteCa(NO3)2 · 4H2O
Ca GypsumCaSO4 · 2H2O
TiTitanium
Ti AnataseTiO2
FeIron
Fe PyriteFeS2
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
UUranium
U Uraninite (var: Pitchblende)UO2
U UraniniteUO2

Localities in this Region


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.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 18, 2019 20:09:31 Page generated: June 24, 2019 00:13:55
Go to top of page