Fefena pegmatite, Betafo District, Vakinankaratra, Madagascari
| Regional Level Types | |
|---|---|
| Fefena pegmatite | Pegmatite |
| Betafo District | District |
| Vakinankaratra | Region |
| Madagascar | Country |
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Latitude & Longitude (WGS84):
19° South , 46° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~81km
Type:
Köppen climate type:
Mindat Locality ID:
203956
Long-form identifier:
1:2:203956:8
GUID (UUID V4):
42c5757f-7849-4aaf-a215-405f5e2dded2
Other Languages:
Malagasy:
Fefena, Distrikan'i Betafo, Vakinankaratra, Madagasikara
A granite pegmatite hosted in quartzite worked around 1914 for beryl.
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
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) Reference: Ungemach, M.H. (1916) Contribution à la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie 39: 5-38; Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ Bismuthinite Formula: Bi2S3 Reference: Lacroix, A. (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624 pages |
| ⓘ Bismutite Formula: (BiO)2CO3 Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series' Reference: Ungemach, M.H. (1916) Contribution á la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie. 39: 5-38 |
| ⓘ Euxenite-(Y) Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 Reference: RAKOTOARISOA Nivomalala : CONTRIBUTION A L’ ETUDE MONOGRAPHIQUE DES GITES PEGMATITIQUES DE LA REGION DE BETAFO – ANTSIRABE . INTERPRETATION STRUCTURALE D’IMAGES LANDSAT. Ecole Supérieure Polytechnique d'Antananarivo 2003 |
| ⓘ 'Pyrochlore Group' Formula: A2Nb2(O,OH)6Z Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 374 |
| ⓘ 'Pyrochlore Group var. Samiresite' Formula: (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 374 |
| ⓘ 'Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)' Formula: (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 374 |
| ⓘ 'Pyrochlore Supergroup' Formula: A2-mD2X6-wZ1-n Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)' Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ Quartz Formula: SiO2 Reference: RAKOTOARISOA Nivomalala : CONTRIBUTION A L’ ETUDE MONOGRAPHIQUE DES GITES PEGMATITIQUES DE LA REGION DE BETAFO – ANTSIRABE . INTERPRETATION STRUCTURALE D’IMAGES LANDSAT. Ecole Supérieure Polytechnique d'Antananarivo 2003 |
| ⓘ Quartz var. Amethyst Formula: SiO2 Reference: RAKOTOARISOA Nivomalala : CONTRIBUTION A L’ ETUDE MONOGRAPHIQUE DES GITES PEGMATITIQUES DE LA REGION DE BETAFO – ANTSIRABE . INTERPRETATION STRUCTURALE D’IMAGES LANDSAT. Ecole Supérieure Polytechnique d'Antananarivo 2003 |
| ⓘ Quartz var. Rose Quartz Formula: SiO2 Reference: RAKOTOARISOA Nivomalala : CONTRIBUTION A L’ ETUDE MONOGRAPHIQUE DES GITES PEGMATITIQUES DE LA REGION DE BETAFO – ANTSIRABE . INTERPRETATION STRUCTURALE D’IMAGES LANDSAT. Ecole Supérieure Polytechnique d'Antananarivo 2003 |
| ⓘ Rutile Formula: TiO2 Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ Rutile var. Strüverite Formula: (Ti,Ta,Fe)O2 Reference: Ungemach, M.H. (1916) Contribution á la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie. 39: 5-38; Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| ⓘ Samarskite-(Y) Formula: YFe3+Nb2O8 Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871; Ungemach, M.H. (1916) Contribution á la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie. 39: 5-38 |
| ⓘ 'Tourmaline' Formula: AD3G6 (T6O18)(BO3)3X3Z Colour: black Reference: Ungemach, M.H. (1916) Contribution à la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie 39: 5-38; Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Euxenite-(Y) | 4.DG.05 | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| ⓘ | 'Pyrochlore Group' | 4.00. | A2Nb2(O,OH)6Z |
| ⓘ | 'var. Samiresite' | 4.00. | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| ⓘ | 'var. Uranpyrochlore (of Hogarth 1977)' | 4.00. | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Amethyst | 4.DA.05 | SiO2 |
| ⓘ | var. Rose Quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | var. Strüverite | 4.DB.05 | (Ti,Ta,Fe)O2 |
| ⓘ | Samarskite-(Y) | 4.DB.25 | YFe3+Nb2O8 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Bismutite | 5.BE.25 | (BiO)2CO3 |
| Group 9 - Silicates | |||
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'Pyrochlore Supergroup' | - | A2-mD2X6-wZ1-n |
| ⓘ | 'var. Betafite (of Hogarth 1977)' | - | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| ⓘ | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| H | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| H | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| H | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| B | Boron | |
| B | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| C | Carbon | |
| C | ⓘ Bismutite | (BiO)2CO3 |
| O | Oxygen | |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| O | ⓘ Rutile var. Strüverite | (Ti,Ta,Fe)O2 |
| O | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| O | ⓘ Bismutite | (BiO)2CO3 |
| O | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| O | ⓘ Quartz var. Rose Quartz | SiO2 |
| O | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| O | ⓘ Quartz var. Amethyst | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| F | Fluorine | |
| F | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| F | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Na | Sodium | |
| Na | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Al | Aluminium | |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | Silicon | |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Quartz var. Rose Quartz | SiO2 |
| Si | ⓘ Quartz var. Amethyst | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Bismuthinite | Bi2S3 |
| Ca | Calcium | |
| Ca | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ca | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| Ca | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ca | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Ti | Titanium | |
| Ti | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ti | ⓘ Rutile var. Strüverite | (Ti,Ta,Fe)O2 |
| Ti | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ti | ⓘ Rutile | TiO2 |
| Ti | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Fe | Iron | |
| Fe | ⓘ Rutile var. Strüverite | (Ti,Ta,Fe)O2 |
| Fe | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Y | Yttrium | |
| Y | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Y | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Nb | Niobium | |
| Nb | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Nb | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Nb | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| Nb | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Nb | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Nb | ⓘ Pyrochlore Group | A2Nb2(O,OH)6Z |
| Ce | Cerium | |
| Ce | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| Ce | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ce | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Ta | Tantalum | |
| Ta | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| Ta | ⓘ Rutile var. Strüverite | (Ti,Ta,Fe)O2 |
| Ta | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| Ta | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ta | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
| Pb | Lead | |
| Pb | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| Bi | Bismuth | |
| Bi | ⓘ Bismutite | (BiO)2CO3 |
| Bi | ⓘ Bismuthinite | Bi2S3 |
| Th | Thorium | |
| Th | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| U | Uranium | |
| U | ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977) | (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH) |
| U | ⓘ Pyrochlore Group var. Samiresite | (U,Ca,Ce,Pb)2(Nb,Ta)2O6(OH,F) |
| U | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| U | ⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977) | (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F) |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Ungemach, M.H. (1916) Contribution à la Minéralogie de Madagascar. Bulletin de la Société française de minéralogie 39: 5-38 (on a find of strüverite and black tourmaline).
Lacroix, A. (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A. Challamel (Éditeur), Paris. p. 374.
Behier, J. (1963) Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871.
Other Regions, Features and Areas containing this locality
Madagascar
- Ankaratra Volcanic RangeVolcanic Range
- ⭔Antananarivo ProvinceProvince
Somali PlateTectonic Plate
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Fefena pegmatite, Betafo District, Vakinankaratra, Madagascar