Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africai
Regional Level Types
Riemvasmaak pegmatitesPegmatite Field
RiemvasmaakVillage
KakamasTown
Kai !Garib Local MunicipalityMunicipality
ZF Mgcawu District MunicipalityDistrict Municipality
Northern CapeProvince
South AfricaCountry

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PhotosMapsSearch
01125380017272297373516.jpg
Beryl cast in quartz

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
07010590017272297373444.jpg
something for scale, of the removed Beryls

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
09037930017272297389018.jpg
Another beryl still trapped in the quartz

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
01125380017272297373516.jpg
Beryl cast in quartz

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
07010590017272297373444.jpg
something for scale, of the removed Beryls

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
09037930017272297389018.jpg
Another beryl still trapped in the quartz

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
06370950017272297397719.jpg
Beryl cast in quartz

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
07010590017272297373444.jpg
something for scale, of the removed Beryls

Riemvasmaak pegmatites, Riemvasmaak, Kakamas, Kai !Garib Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
Type:
Pegmatite Field
Mindat Locality ID:
207972
Long-form identifier:
mindat:1:2:207972:4
GUID (UUID V4):
0


Pegmatite 60 m x 3 m in size, located 3km north of village.
Miller (2010) mentions two (now abandoned) pegmatites on beryl and rose quartz, respectively.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ 'Gadolinite'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Rose Quartz
Formula: SiO2
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Rose Quartz4.DA.05SiO2
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMicrocline9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Gadolinite'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ MicroclineK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ Quartz var. Rose QuartzSiO2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Quartz var. Rose QuartzSiO2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

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

Cairncross, Bruce (2009) Fluorite from Riemvasmaak, Northern Cape Province, South Africa. The Mineralogical Record, 40 (4) 307-324
Miller, D. (2010): Die Fluorite von Riemvasmaak, Südafrika - ein Besuch vor Ort. Lapis 35 (4), 38-44; 54.
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