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Bevoandrano pegmatite, Ikalamavony Commune, Ikalamavony District, Haute Matsiatra, Madagascari
Regional Level Types
Bevoandrano pegmatitePegmatite
Ikalamavony CommuneCommune
Ikalamavony DistrictDistrict
Haute MatsiatraRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
21° South , 46° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~27km
GRN:
S15E31
Type:
Pegmatite
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Mindat Locality ID:
14132
Long-form identifier:
mindat:1:2:14132:8
GUID (UUID V4):
d1bf4e9e-4f1b-48fe-9c00-1b05a85bc194
Other/historical names associated with this locality:
Bevahondrano; Bevaondrano
Other Languages:
Malagasy:
Bevoandrano, Kaominan' Ikalamavony, Distrikan' Ikalamavony, Matsiatra Ambony, Madagasikara


2 large granite pegmatites situated ca 25km W of the town of Ikalamavony, W of the city of Fianarantsoa in the main Highland of Madagascar. They were mined for beryl. The largest of the pegmatites is embedded in a pyroxene-gneiss and measures 200 m long and 15 m wide, and it is one of the few amblygonite-bearing pegmatites that are found in Madagascar.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity 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 ListTree Diagram

Detailed Mineral List:

ⓘAlbite
Formula:Na(AlSi3O8)
ⓘAlbite var. Cleavelandite
Formula:Na(AlSi3O8)
ⓘAmblygonite
Formula:LiAl(PO4)F
Colour: White, to white-grey, often translucent
Description: Samples of amblygonite on the dumps ( blocs up to 10 kg) and in the eluvial zone of the pegmatite have a brown-yellow alteration crust.
ⓘ'Amphibole Supergroup'
Formula:AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘBeryl
Formula:Be3Al2(Si6O18)
Colour: pink
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘCorundum
Formula:Al2O3
ⓘ'Feldspar Group'
ⓘ'Feldspar Group var. Perthite'
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘ'Polylithionite-Trilithionite Series'
Description: Granular
ⓘ'Pyrochlore Supergroup'
Formula:A2-mD2X6-wZ1-n
Description: Described as "blomstrandite".
ⓘ'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula:(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Description: Described as "blomstrandite".
ⓘQuartz
Formula:SiO2
ⓘSpodumene
Formula:LiAlSi2O6
ⓘ'Tourmaline'
Formula:AD3G6 (T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘCorundum4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAmblygonite8.BB.05LiAl(PO4)F
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'		-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Polylithionite-Trilithionite Series'-
ⓘ'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n

List of minerals for each chemical element

HHydrogen
HⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
HⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
LiLithium
LiⓘAmblygoniteLiAl(PO4)F
LiⓘSpodumeneLiAlSi2O6
BeBeryllium
BeⓘBerylBe3Al2(Si6O18)
BBoron
BⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
OⓘAlbiteNa(AlSi3O8)
OⓘAmblygoniteLiAl(PO4)F
OⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
OⓘBerylBe3Al2(Si6O18)
OⓘCorundumAl2O3
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘQuartzSiO2
OⓘSpodumeneLiAlSi2O6
OⓘTourmalineAD3G6 (T6O18)(BO3)3X3Z
OⓘAlbite var.CleavelanditeNa(AlSi3O8)
FFluorine
FⓘAmblygoniteLiAl(PO4)F
FⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
NaⓘAlbite var.CleavelanditeNa(AlSi3O8)
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘAmblygoniteLiAl(PO4)F
AlⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlⓘBerylBe3Al2(Si6O18)
AlⓘCorundumAl2O3
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘSpodumeneLiAlSi2O6
AlⓘAlbite var.CleavelanditeNa(AlSi3O8)
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiⓘBerylBe3Al2(Si6O18)
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘQuartzSiO2
SiⓘSpodumeneLiAlSi2O6
SiⓘAlbite var.CleavelanditeNa(AlSi3O8)
PPhosphorus
PⓘAmblygoniteLiAl(PO4)F
ClChlorine
ClⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
TiTitanium
TiⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
TiⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
NbNiobium
NbⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
TaTantalum
TaⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
UUranium
UⓘPyrochlore Supergroup var.Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)

Other Regions, Features and Areas containing this locality

African Plate
Madagascar
Somali PlateTectonic Plate

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References

Behier, Jean (1960) Contribution à la minéralogie de Madagascar.Annales géologiques de Madagascar Vol. 29. République Malgachepp.13-14
Behier, Jean (1963) Carte minéralogique de Madagascar.Archive Service Géologique de Madagascar A.1871
Pezzotta, Federico (1999) Madagaskar. Das Paradies der Mineralien und Edelsteine.extraLapis 17. Christian Weise Verlagpp.61-62
De Ascenção Guedes, Roger (2008) La tourmaline et le Zébu de Bevaondrano, Ikalamavony, province de Fianarantsoa, Madagascar [The tourmaline and the Zébu of Bevaondrano, Ikalamavony, province of Fianarantsoa, Madagascar], inAventures Minéralogiques à Madagascar.Le Règne Minéral, 14 (80) 25-50
Pezzotta, Federico (2013) Productive “Zones” in Gem-Bearing Pegmatites of Central Madagascar, Geochemical Evolution and Genetic Inferences.PEG 2013, 6th International Symposium on Granitic Pegmatites, 26 May–2 June 2013, 9-11p.10
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