Bemasoandro pegmatite, Fitampito, Ikalamavony District, Matsiatra Ambony, Madagascari
| Regional Level Types | |
|---|---|
| Bemasoandro pegmatite | Pegmatite |
| Fitampito | Commune |
| Ikalamavony District | District |
| Matsiatra Ambony | Region |
| Madagascar | Country |
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Latitude & Longitude (WGS84):
21° 3' 51'' South , 45° 48' 58'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Other Languages:
Malagasy:
Pegmatitan'i Bemasoandro, Kaominin'i Fitampito, Distrikan' Ikalamavony, Matsiatra Ambony, Madagasikara
A beryl-bearing pegmatite located 4 km SSE of the famous Malakialina pegmatite, W of the city of Fianarantsoa in the southern part of the central highland of Madagascar. The pegmatite is traversing rocks of the Vohibory Group ("le Système du Vohibory").
Large nodules of uraninite with secondary U-minerals weighing several kgs were found here by the Commissariat à l'Énergie Atomique (C.E.A.).
Coordinates are not confirmed. Based on the map in Behier, J. (1960).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
16 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| ⓘ Autunite Formula: Ca(UO2)2(PO4)2 · 10-12H2O |
| ⓘ Becquerelite Formula: Ca(UO2)6O4(OH)6 · 8H2O Habit: thin crystalline veins on/in uraninite nodules Colour: golden yellow |
| ⓘ Bertrandite Formula: Be4(Si2O7)(OH)2 Habit: small < 1/2 mm large platy xls Colour: colorless Description: Found in cavities of corroded beryl |
| ⓘ Beryl Formula: Be3Al2(Si6O18) |
| ⓘ Curite Formula: Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| ⓘ Dewindtite Formula: H2Pb3(UO2)6O4(PO4)4 · 12H2O Description: A mineral in the phosphuranylite-"renardite" series which contained 10 p. 100 PbO was interpreted by Behier (1960) as a renardite = dewindtite |
| ⓘ 'Gummite' |
| ⓘ 'Heterosite-Purpurite Series' |
| ⓘ Hureaulite Formula: Mn2+5(PO3OH)2(PO4)2 · 4H2O |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Phosphuranylite Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Rockbridgeite Formula: (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 Habit: thin, less than 1mm layers in on the walls in cavities in triplite Description: Looks like limonite |
| ⓘ Torbernite Formula: Cu(UO2)2(PO4)2 · 12H2O References: |
| ⓘ 'Tourmaline' Formula: AD3G6(T6O18)(BO3)3X3Z |
| ⓘ Triphylite Formula: LiFe2+PO4 |
| ⓘ Triplite Formula: Mn2+2(PO4)F |
| ⓘ Uraninite Formula: UO2 |
| ⓘ Uranophane Formula: Ca(UO2)2(SiO3OH)2 · 5H2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| ⓘ | Becquerelite | 4.GB.10 | Ca(UO2)6O4(OH)6 · 8H2O |
| ⓘ | Curite | 4.GB.55 | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Triphylite | 8.AB.10 | LiFe2+PO4 |
| ⓘ | Triplite | 8.BB.10 | Mn2+2(PO4)F |
| ⓘ | Rockbridgeite | 8.BC.10 | (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 |
| ⓘ | Hureaulite | 8.CB.10 | Mn2+5(PO3OH)2(PO4)2 · 4H2O |
| ⓘ | Autunite | 8.EB.05 | Ca(UO2)2(PO4)2 · 10-12H2O |
| ⓘ | Torbernite | 8.EB.05 | Cu(UO2)2(PO4)2 · 12H2O |
| ⓘ | Dewindtite | 8.EC.10 | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| ⓘ | Phosphuranylite | 8.EC.10 | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| Group 9 - Silicates | |||
| ⓘ | Uranophane | 9.AK.15 | Ca(UO2)2(SiO3OH)2 · 5H2O |
| ⓘ | Bertrandite | 9.BD.05 | Be4(Si2O7)(OH)2 |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Gummite' | - | |
| ⓘ | 'Tourmaline' | - | AD3G6(T6O18)(BO3)3X3Z |
| ⓘ | 'Heterosite-Purpurite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| H | ⓘ Becquerelite | Ca(UO2)6O4(OH)6 · 8H2O |
| H | ⓘ Bertrandite | Be4(Si2O7)(OH)2 |
| H | ⓘ Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| H | ⓘ Dewindtite | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| H | ⓘ Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| H | ⓘ Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5 |
| H | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| H | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Li | Lithium | |
| Li | ⓘ Triphylite | LiFe2+PO4 |
| Be | Beryllium | |
| Be | ⓘ Bertrandite | Be4(Si2O7)(OH)2 |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| B | Boron | |
| B | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| O | ⓘ Becquerelite | Ca(UO2)6O4(OH)6 · 8H2O |
| O | ⓘ Bertrandite | Be4(Si2O7)(OH)2 |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| O | ⓘ Dewindtite | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| O | ⓘ Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5 |
| O | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| O | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| O | ⓘ Triphylite | LiFe2+PO4 |
| O | ⓘ Triplite | Mn22+(PO4)F |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| O | ⓘ Heterosite-Purpurite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Triplite | Mn22+(PO4)F |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | Aluminium | |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Bertrandite | Be4(Si2O7)(OH)2 |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| P | ⓘ Dewindtite | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| P | ⓘ Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
| P | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| P | ⓘ Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5 |
| P | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| P | ⓘ Triphylite | LiFe2+PO4 |
| P | ⓘ Triplite | Mn22+(PO4)F |
| P | ⓘ Heterosite-Purpurite Series | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| Ca | Calcium | |
| Ca | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| Ca | ⓘ Becquerelite | Ca(UO2)6O4(OH)6 · 8H2O |
| Ca | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| Ca | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Mn | Manganese | |
| Mn | ⓘ Hureaulite | Mn52+(PO3OH)2(PO4)2 · 4H2O |
| Mn | ⓘ Triplite | Mn22+(PO4)F |
| Mn | ⓘ Heterosite-Purpurite Series | |
| Fe | Iron | |
| Fe | ⓘ Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5 |
| Fe | ⓘ Triphylite | LiFe2+PO4 |
| Fe | ⓘ Heterosite-Purpurite Series | |
| Cu | Copper | |
| Cu | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| Pb | Lead | |
| Pb | ⓘ Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| Pb | ⓘ Dewindtite | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| U | Uranium | |
| U | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| U | ⓘ Becquerelite | Ca(UO2)6O4(OH)6 · 8H2O |
| U | ⓘ Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
| U | ⓘ Dewindtite | H2Pb3(UO2)6O4(PO4)4 · 12H2O |
| U | ⓘ Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O |
| U | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| U | ⓘ Uraninite | UO2 |
| U | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
Geochronology
Mineralization age: Cambrian : 490 ± 15 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | ||||||
|---|---|---|---|---|---|---|---|
| Phanerozoic | |||||||
| Paleozoic | |||||||
| Cambrian | |||||||
| Furongian |
| ||||||
Other Regions, Features and Areas containing this locality
AfricaContinent
African Plate
- BemItremo BlockOrogenic Belt
Madagascar
- ⭔Fianarantsoa ProvinceProvince
Somali PlateTectonic Plate
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Bemasoandro pegmatite, Fitampito, Ikalamavony District, Matsiatra Ambony, Madagascar