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Ambondrona pegmatite, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 20° South , 46° East (est.)
Margin of Error:~36km
Locality type:Pegmatite
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Name(s) in local language(s):Ambondrona (Ambondrono), Kaominin' Andrembesoa, Distrikan'i Betafo, Faritra Vakinankaratra, Faritanin' Antananarivo, Madagasikara


A pegmatite located between the small towns of Andrembesoa and Alarobia-Bemaha, about 40 km south of Betafo in the central highland of Madagascar.
Located close to where the Isakely River runs into the Mania River.
X = 451,01
Y = 656 2

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Beryl
Formula: Be3Al2(Si6O18)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Bismutite
Formula: (BiO)2CO3
Reference: Behier, J. (1960): Travaux mineralogiques. In Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
'Columbite-Tantalite'
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Royal Museum for Central Africa, Belgium collection Sample # 4611
Microcline
Formula: K(AlSi3O8)
Reference: Behier, J. (1959): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1959. Republique Madagascar, Tananarive: 237-250 (p. 240); Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: Behier, J. (1959): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1959. Republique Madagascar, Tananarive: 237-250 (p. 240); Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Monazite'
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Pegmatite'
Reference: Behier, J. (1959): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1959. Republique Madagascar, Tananarive: 237-250 (p. 240)
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Pyrochlore Supergroup var: Betafite (of Hogarth 1977)'
Formula: A2-mD2X6-wZ1+w
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Xenotime-(Y)
Formula: Y(PO4)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Zircon
Formula: Zr(SiO4)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Zircon var: Malacon
Formula: Zr(SiO4)
Reference: Behier, J. (1963): Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
'Bismutite'5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Zircon9.AD.30Zr(SiO4)
var: Malacon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Columbite-Tantalite'-
'Garnet Group'-X3Z2(SiO4)3
Monazite-
Pegmatite-
Pyrochlore Supergroup-A2-mD2X6-wZ1-n
'var: Betafite (of Hogarth 1977)'-A2-mD2X6-wZ1+w

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)'
8.2.3.1A2-mD2X6-wZ1+w
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bismutite16a.3.5.1(BiO)2CO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Columbite-Tantalite'-
'Garnet Group'-X3Z2(SiO4)3
Microcline
var: Amazonite
-K(AlSi3O8)
'Monazite'-
'Pegmatite'-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
Xenotime-(Y)-Y(PO4)
Zircon
var: Malacon
-Zr(SiO4)

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
CCarbon
C Bismutite(BiO)2CO3
OOxygen
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Microcline (var: Amazonite)K(AlSi3O8)
O BerylBe3Al2(Si6O18)
O Bismutite(BiO)2CO3
O Garnet GroupX3Z2(SiO4)3
O Zircon (var: Malacon)Zr(SiO4)
O MicroclineK(AlSi3O8)
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
AlAluminium
Al Microcline (var: Amazonite)K(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
SiSilicon
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Microcline (var: Amazonite)K(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si Garnet GroupX3Z2(SiO4)3
Si Zircon (var: Malacon)Zr(SiO4)
Si MicroclineK(AlSi3O8)
Si ZirconZr(SiO4)
PPhosphorus
P Xenotime-(Y)Y(PO4)
KPotassium
K Microcline (var: Amazonite)K(AlSi3O8)
K MicroclineK(AlSi3O8)
YYttrium
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr Zircon (var: Malacon)Zr(SiO4)
Zr ZirconZr(SiO4)
BiBismuth
Bi Bismutite(BiO)2CO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1959) Travaux minéralogiques. In Besaire, H. (ed): Rapport Annuel du Service Géologique pour 1959. Republique Madagascar, Tananarive: 237-250 (p. 240).
Behier, J. (1963) Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871.
Rakotoarisoa Nivomalala (2003) Contribution à l'étude monographique des gîtes pegmatitiques de la région de Betafo-Antsirabe. Interprétation structurale d'images Landsat. École Supérieure Polytechnique d'Antananarivo 2003.


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