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Riemvasmaak, Kakamas, Kai !Garib, ZF Mgcawu, Northern Cape, South Africai
Regional Level Types
Riemvasmaak- not defined -
KakamasTown
Kai !GaribMunicipality
ZF MgcawuDistrict Municipality
Northern CapeProvince
South AfricaCountry

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Key
Latitude & Longitude (WGS84):
28° 27' 6'' South , 20° 18' 38'' East
Latitude & Longitude (decimal):
Köppen climate type:


Riemvasmaak is a small village located 57 km north-west of Kakamas, north of the Molopo river. It was one of the first land restitution project in 1994 and covers an area of 75,000 hectares of rugged mountainous terrain. Approximately 40 pegmatites crop out to the north.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List

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

8 valid minerals.

Rock Types Recorded

Note: 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:

Albite
Formula: Na(AlSi3O8)
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
Albite var. Cleavelandite
Formula: Na(AlSi3O8)
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa.
Beryl
Formula: Be3Al2(Si6O18)
Habit: 1m in diameter.
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
Fluorite
Formula: CaF2
Reference: Fluorite: The Collector's Choice. Extra Lapis English No. 9; Mineralogical Record 40:307-324; Miller, D. (2010): Die Fluorite von Riemvasmaak, Südafrika - ein Besuch vor Ort. Lapis 35 (4), 38-44; 54.
'Gadolinite'
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
Hematite
Formula: Fe2O3
Reference: Mineralogical Record 40:307-324
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
Quartz
Formula: SiO2
Reference: Mineralogical Record 40:307-324
Quartz var. Amethyst
Formula: SiO2
Reference: Mineralogical Record 40:307-324
Quartz var. Rose Quartz
Formula: SiO2
Reference: Miller, D. (2010): Die Fluorite von Riemvasmaak, Südafrika - ein Besuch vor Ort. Lapis 35 (4), 38-44; 54.
Quartz var. Sceptre Quartz
Formula: SiO2
Reference: JR Montgomery collection
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Reference: Cairncross, B. (2009): Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40:307-324

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var. Amethyst4.DA.05SiO2
var. Rose Quartz4.DA.05SiO2
var. Sceptre Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var. Cleavelandite9.FA.35Na(AlSi3O8)
Allanite-(Ce)9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Gadolinite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
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
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
var. Cleavelandite-Na(AlSi3O8)
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Gadolinite'-
Quartz
var. Amethyst
-SiO2
var. Rose Quartz-SiO2
var. Sceptre Quartz-SiO2
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O HematiteFe2O3
O Quartz var. AmethystSiO2
O BerylBe3Al2(Si6O18)
O AlbiteNa(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O Albite var. CleavelanditeNa(AlSi3O8)
O Quartz var. Rose QuartzSiO2
O Quartz var. Sceptre QuartzSiO2
FFluorine
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Al BerylBe3Al2(Si6O18)
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
Si Quartz var. AmethystSiO2
Si BerylBe3Al2(Si6O18)
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Albite var. CleavelanditeNa(AlSi3O8)
Si Quartz var. Rose QuartzSiO2
Si Quartz var. Sceptre QuartzSiO2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluoriteCaF2
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
MnManganese
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Fe HematiteFe2O3
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
NbNiobium
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
CeCerium
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
TaTantalum
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cairncross, B. (2009) Fluorite from Riemvasmaak, Northern Cape Province, South Africa. Mineralogical Record 40(4) 307-324

Localities in this Region

Other Regions, Features and Areas containing this locality

Africa
African PlateTectonic Plate

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