Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibiai
Regional Level Types | |
---|---|
Helikon II pegmatite | Pegmatite |
Okongava Ost Farm 72 | Farm |
Karibib Constituency | Constituency |
Erongo Region | Region |
Namibia | Country |
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Latitude & Longitude (WGS84):
22° South , 16° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~4km
Type:
KΓΆppen climate type:
Mindat Locality ID:
107138
Long-form identifier:
mindat:1:2:107138:5
GUID (UUID V4):
cbeff5ee-942e-491d-860b-6125f543b48d
A granitic rare-element pegmatite.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
19 valid minerals. 1 (TL) - type locality of valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
β Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 Description: Marble country rock |
β Albite Formula: Na(AlSi3O8) |
β Albite var. Cleavelandite Formula: Na(AlSi3O8) |
β Amblygonite Formula: LiAl(PO4)F |
β 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
β Beryl Formula: Be3Al2(Si6O18) |
β Bismuth Formula: Bi |
β Calcite Formula: CaCO3 Description: Marble country rock |
β 'Columbite-(Fe)-Columbite-(Mn) Series' |
β Columbite-(Mn) Formula: Mn2+Nb2O6 |
β 'Columbite-Tantalite' |
β Dickinsonite-(KMnNa) Formula: (KNa)(Mn2+◻)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2 |
β Elbaite Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) Colour: Pale blue References: |
β Eosphorite Formula: Mn2+Al(PO4)(OH)2 · H2O |
β 'Feldspar Group' |
β 'Feldspar Group var. Perthite' |
β Hectorite Formula: Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
β Hureaulite Formula: Mn2+5(PO3OH)2(PO4)2 · 4H2O Description: Associated minerals joosteite, lithiophilite, sicklerite, eosphorite, amblygonite, varulite, dickinsonite, apatite and unidentified Fe/Mn oxides. |
β Joosteite (TL) Formula: Mn2+(Mn3+,Fe3+)(PO4)O Type Locality: Fluorescence: none Description: Associated minerals are lithiophilite, sicklerite, eosphorite, amblygonite, varulite, dickinsonite, hureaulite, apatite and unidentified Fe/Mn oxides. The mineral has been formed by alteration processes at the expense of pegmatitic lithiophilite. Joosteite exhibits a black lustre and occurs as irregular small aggregates up to 3 mm in length. |
β 'Lepidolite' |
β Lithiophilite Formula: LiMn2+PO4 |
β Lithiophilite var. Sicklerite Formula: Li1-x(Mn3+xMn2+1-x)PO4 |
β Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
β Petalite Formula: LiAl(Si4O10) |
β Pollucite Formula: (Cs,Na)2(Al2Si4O12) · 2H2O |
β Quartz Formula: SiO2 |
β 'Tantalite' Formula: (Mn,Fe)(Ta,Nb)2O6 |
β Varulite Formula: NaCaMn2+Mn2+2(PO4)3 References: |
β 'Wad' |
β 'Zinnwaldite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Bismuth | 1.CA.05 | Bi |
Group 4 - Oxides and Hydroxides | |||
β | Quartz | 4.DA.05 | SiO2 |
β | Columbite-(Mn) | 4.DB.35 | Mn2+Nb2O6 |
Group 5 - Nitrates and Carbonates | |||
β | Calcite | 5.AB.05 | CaCO3 |
Group 8 - Phosphates, Arsenates and Vanadates | |||
β | Lithiophilite var. Sicklerite | 8.AB.10 | Li1-x(Mn3+xMn2+1-x)PO4 |
β | 8.AB.10 | LiMn2+PO4 | |
β | Varulite | 8.AC.10 | NaCaMn2+Mn2+2(PO4)3 |
β | Amblygonite | 8.BB.05 | LiAl(PO4)F |
β | Joosteite (TL) | 8.BB.15 | Mn2+(Mn3+,Fe3+)(PO4)O |
β | Dickinsonite-(KMnNa) | 8.BF.05 | (KNa)(Mn2+β»)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2 |
β | Hureaulite | 8.CB.10 | Mn2+5(PO3OH)2(PO4)2 Β· 4H2O |
β | Eosphorite | 8.DD.20 | Mn2+Al(PO4)(OH)2 Β· H2O |
Group 9 - Silicates | |||
β | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
β | Elbaite | 9.CK.05 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
β | Actinolite | 9.DE.10 | β»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
β | Hectorite | 9.EC.45 | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
β | Petalite | 9.EF.05 | LiAl(Si4O10) |
β | Albite | 9.FA.35 | Na(AlSi3O8) |
β | var. Cleavelandite | 9.FA.35 | Na(AlSi3O8) |
β | Pollucite | 9.GB.05 | (Cs,Na)2(Al2Si4O12) Β· 2H2O |
Unclassified | |||
β | 'Lepidolite' | - | |
β | 'Tantalite' | - | (Mn,Fe)(Ta,Nb)2O6 |
β | 'Wad' | - | |
β | 'Zinnwaldite' | - | |
β | 'Feldspar Group var. Perthite' | - | |
β | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
β | 'Columbite-Tantalite' | - | |
β | 'Feldspar Group' | - | |
β | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
H | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
H | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
H | β Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
H | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
H | β Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
H | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
H | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Li | Lithium | |
Li | β Amblygonite | LiAl(PO4)F |
Li | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
Li | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
Li | β Lithiophilite | LiMn2+PO4 |
Li | β Petalite | LiAl(Si4O10) |
Li | β Lithiophilite var. Sicklerite | Li1-x(Mnx3+Mn2+1-x)PO4 |
Be | Beryllium | |
Be | β Beryl | Be3Al2(Si6O18) |
B | Boron | |
B | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
C | Carbon | |
C | β Calcite | CaCO3 |
O | Oxygen | |
O | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
O | β Albite | Na(AlSi3O8) |
O | β Amblygonite | LiAl(PO4)F |
O | β Beryl | Be3Al2(Si6O18) |
O | β Calcite | CaCO3 |
O | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
O | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
O | β Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
O | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
O | β Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
O | β Lithiophilite | LiMn2+PO4 |
O | β Columbite-(Mn) | Mn2+Nb2O6 |
O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
O | β Petalite | LiAl(Si4O10) |
O | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
O | β Quartz | SiO2 |
O | β Lithiophilite var. Sicklerite | Li1-x(Mnx3+Mn2+1-x)PO4 |
O | β Tantalite | (Mn,Fe)(Ta,Nb)2O6 |
O | β Varulite | NaCaMn2+Mn22+(PO4)3 |
O | β Albite var. Cleavelandite | Na(AlSi3O8) |
O | β Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O |
O | β Apatite | Ca5(PO4)3(Cl/F/OH) |
F | Fluorine | |
F | β Amblygonite | LiAl(PO4)F |
F | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
F | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | β Albite | Na(AlSi3O8) |
Na | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
Na | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
Na | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
Na | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
Na | β Varulite | NaCaMn2+Mn22+(PO4)3 |
Na | β Albite var. Cleavelandite | Na(AlSi3O8) |
Mg | Magnesium | |
Mg | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Mg | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
Al | Aluminium | |
Al | β Albite | Na(AlSi3O8) |
Al | β Amblygonite | LiAl(PO4)F |
Al | β Beryl | Be3Al2(Si6O18) |
Al | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
Al | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | β Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Al | β Petalite | LiAl(Si4O10) |
Al | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
Al | β Albite var. Cleavelandite | Na(AlSi3O8) |
Si | Silicon | |
Si | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Si | β Albite | Na(AlSi3O8) |
Si | β Beryl | Be3Al2(Si6O18) |
Si | β Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
Si | β Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | β Petalite | LiAl(Si4O10) |
Si | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
Si | β Quartz | SiO2 |
Si | β Albite var. Cleavelandite | Na(AlSi3O8) |
P | Phosphorus | |
P | β Amblygonite | LiAl(PO4)F |
P | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
P | β Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
P | β Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
P | β Lithiophilite | LiMn2+PO4 |
P | β Lithiophilite var. Sicklerite | Li1-x(Mnx3+Mn2+1-x)PO4 |
P | β Varulite | NaCaMn2+Mn22+(PO4)3 |
P | β Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O |
P | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Cl | Chlorine | |
Cl | β Apatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Ca | β Calcite | CaCO3 |
Ca | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
Ca | β Varulite | NaCaMn2+Mn22+(PO4)3 |
Ca | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Mn | Manganese | |
Mn | β Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn132+Al(PO4)11(PO4)(OH)2 |
Mn | β Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
Mn | β Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
Mn | β Lithiophilite | LiMn2+PO4 |
Mn | β Columbite-(Mn) | Mn2+Nb2O6 |
Mn | β Lithiophilite var. Sicklerite | Li1-x(Mnx3+Mn2+1-x)PO4 |
Mn | β Tantalite | (Mn,Fe)(Ta,Nb)2O6 |
Mn | β Varulite | NaCaMn2+Mn22+(PO4)3 |
Mn | β Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O |
Fe | Iron | |
Fe | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Fe | β Tantalite | (Mn,Fe)(Ta,Nb)2O6 |
Fe | β Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O |
Nb | Niobium | |
Nb | β Columbite-(Mn) | Mn2+Nb2O6 |
Nb | β Tantalite | (Mn,Fe)(Ta,Nb)2O6 |
Cs | Caesium | |
Cs | β Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O |
Ta | Tantalum | |
Ta | β Tantalite | (Mn,Fe)(Ta,Nb)2O6 |
Bi | Bismuth | |
Bi | β Bismuth | Bi |
Other Regions, Features and Areas containing this locality
African PlateTectonic Plate
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References
Keller, P. (1991) The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia, 7. 21-25