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Helikon I pegmatite, Okongava Ost Farm 72, Karibib, Erongo Region, Namibiai
Regional Level Types
Helikon I pegmatitePegmatite
Okongava Ost Farm 72Farm
KaribibConstituency
Erongo RegionRegion
NamibiaCountry

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Key
Latitude & Longitude (WGS84):
22° 2' 50'' South , 16° 1' 27'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Karibib6,898 (2012)23.4km
Otjimbingwe7,677 (2012)35.5km
Usakos9,147 (2012)44.0km


A lithium-mica-quartz mine in lithium pegmatite, owned by SWA Lithium (Metramco of South Africa, a subsidiary of Kloekner Group of Germany). Located near Karibib, West of Windhoek. 500,000 tons of high-grade reserves of Li (1984).




Regions containing this locality

African PlateTectonic Plate

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Amblygonite
Formula: LiAl(PO4)F
Description: Occurs in lithium pegmatite.
Reference: Mining Ann. Review(1985):423.; Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 51.; Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Beryl var: Morganite
Formula: Be3Al2(Si6O18)
Reference: Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 51.
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour: Blue, pink
Reference: Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 527 (in English).
'Lepidolite'
Description: Occurs in lithium pegmatite.
Reference: Mining Ann. Review(1985):423.; Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Petalite
Formula: LiAl(Si4O10)
Description: Occurs in lithium pegmatite.
Reference: Mining Ann. Review(1985):423.; Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Reference: Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 679 pp. (in English); Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.
Quartz
Formula: SiO2
Description: Occurs in lithium pegmatite.
Reference: Mining Ann. Review(1985):423.
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Reference: Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7, 21-35.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Amblygonite8.BB.05LiAl(PO4)F
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
var: Morganite9.CJ.05Be3Al2(Si6O18)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Petalite9.EF.05LiAl(Si4O10)
Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified Minerals, Rocks, etc.
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Lepidolite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6

List of minerals arranged by Dana 8th Edition classification

Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
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
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with tetrahedral Al cross-linking
Petalite72.6.1.1LiAl(Si4O10)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Pollucite77.1.1.2(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified Minerals, Mixtures, etc.
Beryl
var: Morganite
-Be3Al2(Si6O18)
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Lepidolite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6

List of minerals for each chemical element

HHydrogen
H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li AmblygoniteLiAl(PO4)F
Li PetaliteLiAl(Si4O10)
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be Beryl (var: Morganite)Be3Al2(Si6O18)
Be BerylBe3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AmblygoniteLiAl(PO4)F
O PetaliteLiAl(Si4O10)
O QuartzSiO2
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O Beryl (var: Morganite)Be3Al2(Si6O18)
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O BerylBe3Al2(Si6O18)
O Tantalite(Mn,Fe)(Ta,Nb)2O6
FFluorine
F AmblygoniteLiAl(PO4)F
NaSodium
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al AmblygoniteLiAl(PO4)F
Al PetaliteLiAl(Si4O10)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al Beryl (var: Morganite)Be3Al2(Si6O18)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al BerylBe3Al2(Si6O18)
SiSilicon
Si PetaliteLiAl(Si4O10)
Si QuartzSiO2
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si Beryl (var: Morganite)Be3Al2(Si6O18)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si BerylBe3Al2(Si6O18)
PPhosphorus
P AmblygoniteLiAl(PO4)F
MnManganese
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
NbNiobium
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
CsCaesium
Cs Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
TaTantalum
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern: 679 (in English).
Ref.: (in part): Mining Annual Review (1985): 423.


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