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Songea, Songea Urban District, Ruvuma Region, Tanzaniai
| Regional Level Types | |
|---|---|
| Songea | - not defined - |
| Songea Urban District | District |
| Ruvuma Region | Region |
| Tanzania | Country |
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Latitude & Longitude (WGS84):
10° 40' 45'' South , 35° 39' 6'' East
Latitude & Longitude (decimal):
Köppen climate type:
Gem mining area. Songea corundum contains a high level of magnesium, resulting in a wide variety of fancy colors including green, purple, burgundy, pink and red-orange.
Some sapphires from here show the alexandrite effect.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| ⓘ Corundum Formula: Al2O3 |
| ⓘ Corundum var. Ruby Formula: Al2O3 |
| ⓘ Corundum var. Sapphire Formula: Al2O3 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ 'Mica Group' |
| ⓘ Paragonite Formula: NaAl2(AlSi3O10)(OH)2 |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Rutile Formula: TiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Corundum var. Ruby | 4.CB.05 | Al2O3 |
| ⓘ | var. Sapphire | 4.CB.05 | Al2O3 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Paragonite | 9.EC.15 | NaAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Mica Group' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | Oxygen | |
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| O | ⓘ Corundum var. Ruby | Al2O3 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Corundum var. Sapphire | Al2O3 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | Aluminium | |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Corundum var. Ruby | Al2O3 |
| Al | ⓘ Corundum var. Sapphire | Al2O3 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | Calcium | |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | ⓘ Rutile | TiO2 |
| Fe | Iron | |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Hematite | Fe2O3 |
Other Regions, Features and Areas containing this locality
AfricaContinent
- East African Rift System (EARS)Zone (Tectonic)
African Plate
- Congo Craton
- Ubendian BeltShield
- Tanzanian Coastal basinBasin
Somali PlateTectonic Plate
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
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References
Karampelas, Stefanos, Hennebois, Ugo, Bersani, Danilo, Delaunay, Aurélien, Fritsch, Emmanuel (2023) Disambiguation of pyrope‐rich garnet inclusions in coloured sapphires from Tanzania and identification of other inclusions by Raman spectroscopy. Journal of Raman Spectroscopy, 54 (11) 1213-1219 doi:10.1002/jrs.6570
Songea, Songea Urban District, Ruvuma Region, Tanzania