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Hoffnungsstrahl pegmatite, Rössing Mountains area, Arandis Constituency, Erongo Region, Namibiai
| Regional Level Types | |
|---|---|
| Hoffnungsstrahl pegmatite | Pegmatite |
| Rössing Mountains area | Massif |
| Arandis Constituency | Constituency |
| Erongo Region | Region |
| Namibia | Country |
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Latitude & Longitude (WGS84):
22° 31' 11'' South , 14° 45' 39'' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
Type:
Köppen climate type:
"Type locality" of Heliodor. Located in the 726 m high mountain, eastern slopes, 4 km north of the Rössing station. The occurrence consists of emplaced pegmatites of an area 600 x 350 m. Heliodor was not found in the adjacent pegmatite.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 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:
| ⓘ Beryl Formula: Be3Al2(Si6O18) Description: Originally discovered in this pegmatite in 1910. Heliodor from this pegmatite is noted to show cathode luminescence caused by traces of uranium. References: |
| ⓘ Beryl var. Heliodor Formula: Be3Al2(Si6O18) Description: Originally discovered in this pegmatite in 1910. Heliodor from this pegmatite is noted to show cathode luminescence caused by traces of uranium. References: |
| ⓘ 'Columbite-Tantalite' |
| ⓘ 'Feldspar Group' |
| ⓘ Fluorite Formula: CaF2 |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Pyrite Formula: FeS2 Description: Found in a single sulphide nodule. |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Rose Quartz Formula: SiO2 |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ Topaz Formula: Al2(SiO4)(F,OH)2 |
| ⓘ 'Wolframite Group' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Rose Quartz | 4.DA.05 | SiO2 |
| ⓘ | 'Wolframite Group' | 4.DB.30 va | |
| Group 9 - Silicates | |||
| ⓘ | Topaz | 9.AF.35 | Al2(SiO4)(F,OH)2 |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | var. Heliodor | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Columbite-Tantalite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| H | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| Be | ⓘ Beryl var. Heliodor | Be3Al2(Si6O18) |
| B | Boron | |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Rose Quartz | SiO2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| O | ⓘ Beryl var. Heliodor | Be3Al2(Si6O18) |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Na | Sodium | |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | Aluminium | |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Al | ⓘ Beryl var. Heliodor | Be3Al2(Si6O18) |
| Si | Silicon | |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Rose Quartz | SiO2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Si | ⓘ Beryl var. Heliodor | Be3Al2(Si6O18) |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Other Regions, Features and Areas containing this locality
AfricaContinent
African PlateTectonic Plate
- Damara Orogenic BeltOrogenic Belt
Namibia
- Erongo Region
- Dorob National ParkNational Park
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