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Welgevonden pegmatite, Kenhardt, ZF Mgcawu District, Northern Cape, South Africai
Regional Level Types
Welgevonden pegmatite- not defined -
Kenhardt- not defined -
ZF Mgcawu DistrictDistrict
Northern CapeProvince
South AfricaCountry

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Key
Latitude & Longitude (WGS84):
29° South , 19° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~22km
Köppen climate type:


It is located just north of the Homestead on Angelierspan. It is a zoned pegmatite striking northwest-southeast and has been excavated along strike for about 70 m. it may be classified as a beryllium pegmatite and has been mined for both beryllium and feldspar.

Regions containing this locality

African PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Beryl
Formula: Be3Al2(Si6O18)
Reference: Baldwin, J. R. (1994). Lithium and tantalum mineralization in rare-element pegmatites from southern Africa (Doctoral dissertation, University of St Andrews).
Microcline
Formula: K(AlSi3O8)
Reference: Baldwin, J. R. (1994). Lithium and tantalum mineralization in rare-element pegmatites from southern Africa (Doctoral dissertation, University of St Andrews).
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Baldwin, J. R. (1994). Lithium and tantalum mineralization in rare-element pegmatites from southern Africa (Doctoral dissertation, University of St Andrews).
Quartz
Formula: SiO2
Reference: Baldwin, J. R. (1994). Lithium and tantalum mineralization in rare-element pegmatites from southern Africa (Doctoral dissertation, University of St Andrews).

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O BerylBe3Al2(Si6O18)
O MicroclineK(AlSi3O8)
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si BerylBe3Al2(Si6O18)
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Baldwin, J. R. (1994). Lithium and tantalum mineralization in rare-element pegmatites from southern Africa (Doctoral dissertation, University of St Andrews).


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