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Bronkhorstfontein deposit, Tolwe, Blouberg Local Municipality, Capricorn District Municipality, Limpopo, South Africai
Regional Level Types
Bronkhorstfontein depositDeposit
Tolwe- not defined -
Blouberg Local MunicipalityMunicipality (Rural)
Capricorn District MunicipalityDistrict
LimpopoProvince
South AfricaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
23° South , 28° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Mindat Locality ID:
216400
Long-form identifier:
mindat:1:2:216400:0
GUID (UUID V4):
8da7d5a8-8a58-433c-abc7-e1d03deb120e


Mn-rich oncoids in late Paleoproterozoic (ca. 1.9 Ga) shallow-water manganese ores.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

β“˜ Braunite
Formula: Mn2+Mn3+6(SiO4)O8
β“˜ Cryptomelane
Formula: K(Mn4+7Mn3+)O16
β“˜ Hematite
Formula: Fe2O3
β“˜ Pyrolusite
Formula: Mn4+O2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Chalcedony
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz
var. Chalcedony
4.DA.05SiO2
β“˜4.DA.05SiO2
β“˜Pyrolusite4.DB.05Mn4+O2
β“˜Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Group 9 - Silicates
β“˜Braunite9.AG.05Mn2+Mn3+6(SiO4)O8

List of minerals for each chemical element

OOxygen
Oβ“˜ BrauniteMn2+Mn63+(SiO4)O8
Oβ“˜ Quartz var. ChalcedonySiO2
Oβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Oβ“˜ HematiteFe2O3
Oβ“˜ PyrolusiteMn4+O2
Oβ“˜ QuartzSiO2
SiSilicon
Siβ“˜ BrauniteMn2+Mn63+(SiO4)O8
Siβ“˜ Quartz var. ChalcedonySiO2
Siβ“˜ QuartzSiO2
KPotassium
Kβ“˜ CryptomelaneK(Mn74+Mn3+)O16
MnManganese
Mnβ“˜ BrauniteMn2+Mn63+(SiO4)O8
Mnβ“˜ CryptomelaneK(Mn74+Mn3+)O16
Mnβ“˜ PyrolusiteMn4+O2
FeIron
Feβ“˜ HematiteFe2O3

Other Regions, Features and Areas containing this locality

Somali PlateTectonic Plate
South Africa

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

 
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