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Ampandramaika pegmatite, Mandrosonoro, Ambatofinandrahana, Amoron'i Mania, Madagascari
Regional Level Types
Ampandramaika pegmatitePegmatite
MandrosonoroCommune
AmbatofinandrahanaDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Key
Latitude & Longitude (WGS84):
20° 50' 49'' South , 45° 51' 56'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Other Languages:
Malagasy:
Pegmatitan' Ampandramaika, Kaominin'i Mandrosonoro, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


One of the largest and most important pegmatites in the area, 150 long and 10-15 m wide. By 1972 it had produced more than 300 ton of industrial beryl and about 3 ton of columbite-tantalite.

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Fianarantsoa Province, MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 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:

Albite
Formula: Na(AlSi3O8)
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
Amblygonite
Formula: LiAl(PO4)F
Reference: Varlamoff, N. (1972) Matériaux pour l´établissement des types et de la zonéographie des pegmatites granitiques à métaux rares de Madagascar - 1971. Académie royale des Sciences d`Outre-Mer. Classe des Sciences Naturelles et Médicales, N.S. , XVIII-6, 1-71 + planches.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Columbite-Tantalite'
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Feldspar Group'
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
'Feldspar Group var: Perthite'
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Graftonite
Formula: Fe2+Fe2+2(PO4)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Kyanite
Formula: Al2(SiO4)O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
Quartz
Formula: SiO2
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
Rutile
Formula: TiO2
Reference: Michel Arliguie collection & photo (Photo ID: 947152, old sample)
Rutile var: Ilmenorutile
Formula: Fex(Nb,Ta)2x · 4Ti1-xO2
Reference: Michel Arliguie collection & photo (Photo ID: 947152, old sample)
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
Triplite
Formula: (Mn2+,Fe2+)2(PO4)(F,OH)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
var: Ilmenorutile4.DB.05Fex(Nb,Ta)2x · 4Ti1-xO2
Group 8 - Phosphates, Arsenates and Vanadates
Amblygonite8.BB.05LiAl(PO4)F
Graftonite8.AB.20Fe2+Fe2+2(PO4)2
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
Kyanite9.AF.15Al2(SiO4)O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
var: Ilmenorutile4.4.1.2Fex(Nb,Ta)2x · 4Ti1-xO2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)3(XO4)2
Graftonite38.3.3.1Fe2+Fe2+2(PO4)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
A2(XO4)Zq
Triplite41.6.1.2(Mn2+,Fe2+)2(PO4)(F,OH)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H TopazAl2(SiO4)(F,OH)2
H Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
H StauroliteFe22+Al9Si4O23(OH)
LiLithium
Li AmblygoniteLiAl(PO4)F
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O MuscoviteKAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O AlbiteNa(AlSi3O8)
O QuartzSiO2
O BerylBe3Al2(Si6O18)
O TopazAl2(SiO4)(F,OH)2
O GraftoniteFe2+Fe22+(PO4)2
O Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
O KyaniteAl2(SiO4)O
O StauroliteFe22+Al9Si4O23(OH)
O Garnet GroupX3Z2(SiO4)3
O Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
O RutileTiO2
O AmblygoniteLiAl(PO4)F
FFluorine
F TopazAl2(SiO4)(F,OH)2
F Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
F AmblygoniteLiAl(PO4)F
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al TopazAl2(SiO4)(F,OH)2
Al KyaniteAl2(SiO4)O
Al StauroliteFe22+Al9Si4O23(OH)
Al AmblygoniteLiAl(PO4)F
SiSilicon
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
Si BerylBe3Al2(Si6O18)
Si TopazAl2(SiO4)(F,OH)2
Si KyaniteAl2(SiO4)O
Si StauroliteFe22+Al9Si4O23(OH)
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P GraftoniteFe2+Fe22+(PO4)2
P Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
P AmblygoniteLiAl(PO4)F
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
TiTitanium
Ti Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
Ti RutileTiO2
MnManganese
Mn Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
FeIron
Fe GraftoniteFe2+Fe22+(PO4)2
Fe Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Fe StauroliteFe22+Al9Si4O23(OH)
Fe Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
NbNiobium
Nb Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
TaTantalum
Ta Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p.63
Varlamoff, N. (1972) Matériaux pour l´établissement des types et de la zonéographie des pegmatites granitiques à métaux rares de Madagascar - 1971. Académie royale des Sciences d`Oure-Mer. Classe des Sciences Naturelles et Médicales, N.S. , XVIII-6, 1-71 + planches. (p.25)


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