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Ampasipoana pegmatite, Mahavelona, Soavinandriana, Itasy, Madagascari
Regional Level Types
Ampasipoana pegmatitePegmatite
MahavelonaCommune
SoavinandrianaDistrict
ItasyRegion
MadagascarCountry

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Name in Malagasy:Ampasipoana, Kaominin'i Mahavelona, Distrikan'i Soavinandriana, Faritr'Itasy, Madagasikara
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 19° South , 46° East (est.)
Margin of Error:~12km
Locality type:Pegmatite
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters


Granite pegmatite near the Ambatofotsy pegmatite.

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Antananarivo Province, MadagascarProvince (Abolished)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals. 1 erroneous literature entry.

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)
Description: Described as "orthite"
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 64
Churchite-(Y)
Formula: Y(PO4) · 2H2O
Reference: Behier, J. (1960): Travaux mineralogiques. In Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
'Fergusonite'
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 64
Quartz
Formula: SiO2
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 64
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
Tengerite-(Y)
Formula: Y2(CO3)3 · 2-3H2O
Description: Showed to be churchite (Behier 1960b)
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 64; Behier, J. (1960): Travaux mineralogiques. In Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Thorite
Formula: Th(SiO4)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
'Thorogummite'
Formula: (Th,U)(SiO4)1-x(OH)4x
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
Zircon
Formula: Zr(SiO4)
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 75
Zircon var: Malacon
Formula: Zr(SiO4)
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 75

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Samarskite-(Y)4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Group 5 - Nitrates and Carbonates
Tengerite-(Y) ?5.CC.10Y2(CO3)3 · 2-3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Churchite-(Y)8.CJ.50Y(PO4) · 2H2O
Group 9 - Silicates
Thorite9.AD.30Th(SiO4)
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Zircon9.AD.30Zr(SiO4)
var: Malacon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Fergusonite'-
'Thorogummite'-(Th,U)(SiO4)1-x(OH)4x

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Group 15 - HYDRATED NORMAL CARBONATES
AmBn(XO3)p·xH2O, with (m+n):p < 1:1
Tengerite-(Y) ?15.4.3.1Y2(CO3)3 · 2-3H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Churchite-(Y)40.4.6.1Y(PO4) · 2H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
'Thorogummite'51.5.2.5(Th,U)(SiO4)1-x(OH)4x
Zircon51.5.2.1Zr(SiO4)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Fergusonite'-
Zircon
var: Malacon
-Zr(SiO4)

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H Thorogummite(Th,U)(SiO4)1-x(OH)4x
H Churchite-(Y)Y(PO4) · 2H2O
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H Tengerite-(Y)Y2(CO3)3 · 2-3H2O
CCarbon
C Tengerite-(Y)Y2(CO3)3 · 2-3H2O
OOxygen
O Zircon (var: Malacon)Zr(SiO4)
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O ThoriteTh(SiO4)
O Thorogummite(Th,U)(SiO4)1-x(OH)4x
O Churchite-(Y)Y(PO4) · 2H2O
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O ZirconZr(SiO4)
O Tengerite-(Y)Y2(CO3)3 · 2-3H2O
MgMagnesium
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
SiSilicon
Si Zircon (var: Malacon)Zr(SiO4)
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
Si ThoriteTh(SiO4)
Si Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
PPhosphorus
P Churchite-(Y)Y(PO4) · 2H2O
CaCalcium
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
FeIron
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
YYttrium
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Y Churchite-(Y)Y(PO4) · 2H2O
Y Tengerite-(Y)Y2(CO3)3 · 2-3H2O
ZrZirconium
Zr Zircon (var: Malacon)Zr(SiO4)
Zr ZirconZr(SiO4)
NbNiobium
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
TaTantalum
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
ThThorium
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Th ThoriteTh(SiO4)
Th Thorogummite(Th,U)(SiO4)1-x(OH)4x
UUranium
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
U Thorogummite(Th,U)(SiO4)1-x(OH)4x

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871


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