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Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascari
Regional Level Types
Itorendrika-IfasinaDeposit
Imorona valleyValley
ItremoCommune
Ambatofinandrahana DistrictDistrict
Amoron'i ManiaRegion
MadagascarCountry

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PhotosMapsSearch
00691600014949097137687.jpg
Bastnäsite

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
03960400015227409595752.jpg
Chevkinite Group

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
00055710015314924383063.jpg
Bastnäsite

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
00691600014949097137687.jpg
Bastnäsite

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
03960400015227409595752.jpg
Chevkinite Group

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
00055710015314924383063.jpg
Bastnäsite

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
00691600014949097137687.jpg
Bastnäsite

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
01104730015229825346418.jpg
Chevkinite Group

Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar
Type:
Deposit
Mindat Locality ID:
133058
Long-form identifier:
mindat:1:2:133058:1
GUID (UUID V4):
d66dad14-1874-4ae2-a92f-172ad5335195
Other Languages:
Malagasy:
Itorendrika-Ifasina, Lohasahan' Imorona, Kaominin' Itremo, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


Eluvial deposit with minerals from a contact zone with pegmatitic facies of an alkali-granite. Located along the Imorona River between Ifasina and Itorendrika.


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Baryte
Formula: BaSO4
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
Description: Occurs in a contact zone with pegmatitic facies of an alkali-granite.
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Chevkinite Group'
ⓘ Crichtonite
Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
ⓘ Hematite
Formula: Fe2O3
ⓘ Magnesio-riebeckite
Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Description: described as Torendrikite
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Orthochevkinite'
Formula: (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
ⓘ 'Parisite'
Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ Parisite-(Ce)
Formula: CaCe2(CO3)3F2
ⓘ 'Psilomelane'
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Rutile
Formula: TiO2
Description: In alterationproducts after chevkinite or bastnäsite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘCrichtonite4.CC.40Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘQuartz4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘvar. Amethyst4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘParisite-(Ce)5.BD.20bCaCe2(CO3)3F2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘ'Orthochevkinite'9.BE.62(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘMagnesio-riebeckite9.DE.25◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
ⓘGlaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
Unclassified
ⓘ'Psilomelane'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Parisite'-Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ'Chevkinite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Hⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
CCarbon
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ Parisite-(Ce)CaCe2(CO3)3F2
Cⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Quartz var. AmethystSiO2
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ BaryteBaSO4
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Oⓘ HematiteFe2O3
Oⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Parisite-(Ce)CaCe2(CO3)3F2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Oⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Parisite-(Ce)CaCe2(CO3)3F2
Fⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Naⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Naⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mgⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Mgⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Quartz var. AmethystSiO2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Siⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Siⓘ QuartzSiO2
Siⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
SSulfur
Sⓘ BaryteBaSO4
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Parisite-(Ce)CaCe2(CO3)3F2
Caⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Caⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Tiⓘ RutileTiO2
Tiⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
VVanadium
Vⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
CrChromium
Crⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
MnManganese
Mnⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
SrStrontium
Srⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Yⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
BaBarium
Baⓘ BaryteBaSO4
LaLanthanum
Laⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Laⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
CeCerium
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ceⓘ Parisite-(Ce)CaCe2(CO3)3F2
Ceⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
Ceⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ndⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
ThThorium
Thⓘ Orthochevkinite(Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22
UUranium
Uⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38

Other Regions, Features and Areas containing this locality

Madagascar
Somali PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Lacroix, Alfred (1915) La bastnaésite et la tscheffkinite de Madagascar ; le mode de gisement des fluocarbonates ; pseudomorphoses d'origine pneumatolytique dans les granites alcalins. Bulletin de Minéralogie, 38 (3) 106-125 doi:10.3406/bulmi.1915.3609
Ungemach, Henri (1916) Contribution à la Minéralogie de Madagascar. Bulletin de Minéralogie, 39 (1) 5-38 doi:10.3406/bulmi.1916.3635on a find of hematite, baryte, chevkinite and parisite
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624.
Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache
Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871
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