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Engelbrecht's tourmaline pegmatite, Karlowa Pegmatite Swarm (Hoffmann's pegmatite), Brandberg Area, Dâures, Erongo Region, Namibiai
Regional Level Types
Engelbrecht's tourmaline pegmatitePegmatite
Karlowa Pegmatite Swarm (Hoffmann's pegmatite)Pegmatite
Brandberg AreaMountain Area
DâuresConstituency
Erongo RegionRegion
NamibiaCountry

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Key
Latitude & Longitude (WGS84):
21° South , 14° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Locality type:
Köppen climate type:


No description has been added for this locality. Can you add one?

Regions containing this locality

African PlateTectonic Plate

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 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!

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Alphabetical List Tree Diagram

Detailed Mineral List:

'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)
Reference: Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 526 (in English).
Ferrisicklerite
Formula: Li1-x(Fe3+xFe2+1-x)PO4
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.
Heterosite
Formula: (Fe3+,Mn3+)PO4
Reference: Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 602 pp. (in English); Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 602 (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.
'Lepidolite'
Reference: Bezing, L. von., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 639 (in English).
'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.
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
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.
Triplite
Formula: (Mn2+,Fe2+)2(PO4)(F,OH)
Reference: Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 800 pp (in English).

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates
Ferrisicklerite8.AB.10Li1-x(Fe3+xFe2+1-x)PO4
Heterosite8.AB.10(Fe3+,Mn3+)PO4
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Group 9 - Silicates
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Lepidolite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Ferrisicklerite38.1.4.1Li1-x(Fe3+xFe2+1-x)PO4
AXO4
Heterosite38.4.1.1(Fe3+,Mn3+)PO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Triplite41.6.1.2(Mn2+,Fe2+)2(PO4)(F,OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Mixtures, etc.
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Lepidolite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O Heterosite(Fe3+,Mn3+)PO4
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
FFluorine
F Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
PPhosphorus
P Heterosite(Fe3+,Mn3+)PO4
P Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
P FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
MnManganese
Mn Heterosite(Fe3+,Mn3+)PO4
Mn Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Fe Heterosite(Fe3+,Mn3+)PO4
Fe Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
NbNiobium
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
TaTantalum
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bezing, L. von, Bode, R., and Jahn, S., (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern: (in English).


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