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Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibiai
| Regional Level Types | |
|---|---|
| Helikon II pegmatite | Mine |
| Okongava Ost Farm 72 | Farm |
| Karibib Constituency | Constituency |
| Erongo Region | Region |
| Namibia | Country |
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Latitude & Longitude (WGS84):
22° 2' 24'' South , 16° 1' 38'' East
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Karibib | 6,898 (2012) | 23.3km |
| Otjimbingwe | 7,677 (2012) | 36.1km |
| Usakos | 9,147 (2012) | 44.3km |
Other/historical names associated with this locality:
Helikon 2
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 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 Native Bismuth Formula: Bi |
| 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 |
| β 'Wad' |
| β 'Zinnwaldite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Native 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 | 8.AB.10 | LiMn2+PO4 |
| β | var. Sicklerite | 8.AB.10 | Li1-x(Mn3+xMn2+1-x)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 | 'Feldspar Group' | - | |
| 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 | '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 Zinnwaldite | |
| 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 |
| Li | β Zinnwaldite | |
| 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 | |