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Ianabinda, Betroka District, Anosy, Madagascari
Regional Level Types
IanabindaCommune
Betroka DistrictDistrict
AnosyRegion
MadagascarCountry

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PhotosMapsSearch
00593830017272299806147.jpg
Apatite

Ianabinda, Betroka District, Anosy, Madagascar
04981360017272245015499.jpg
Sapphirine, etc.

Voronkafotra, Ianabinda, Betroka District, Anosy, Madagascar
08561640017272255467213.jpg
Marialite

Ankily, Ianabinda, Betroka District, Anosy, Madagascar
00593830017272299806147.jpg
Apatite

Ianabinda, Betroka District, Anosy, Madagascar
02584570017271926428753.jpg
Sapphirine, etc.

Voronkafotra, Ianabinda, Betroka District, Anosy, Madagascar
09627940017272299809827.jpg
Marialite

Ankily, Ianabinda, Betroka District, Anosy, Madagascar
00593830017272299806147.jpg
Apatite

Ianabinda, Betroka District, Anosy, Madagascar
02584570017271926428753.jpg
Sapphirine, etc.

Voronkafotra, Ianabinda, Betroka District, Anosy, Madagascar


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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

18 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
ⓘ Corundum
Formula: Al2O3
Description: Crystals range between 1 to 10 mm in diameter and are elongated to tabular hexagonal prisms and bipyramids.
ⓘ Corundum var. Sapphire
Formula: Al2O3
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
Description: an enstatite with XMg values from 0.94 to 0.98, Al2O3 varies between 1.80 to 5.57 wt% and MnO is up to 0.14 wt% (Razakamanana et al. (2006)
ⓘ Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Description: 3,5 cm long twinned xl.
ⓘ 'K Feldspar'
ⓘ Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Description: Lacroix mentions a find of kornerupine about 20 km E of Itrongay. Behier (1960) argues for this being the Voronkafotra locality
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Marialite
Formula: Na4Al3Si9O24Cl
References:
Vandall King
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ 'Orthopyroxene Subgroup'
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 11 localities in this region.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Description: A sapphirine-bearing anatectic Al-Mg granulite is described in Razakamanana et al (2006)
ⓘ 'Scapolite'
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Spinel
Formula: MgAl2O4
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Colour: green
ⓘ Zircon
Formula: Zr(SiO4)
Description: Microscopically grains in a sapphirine-bearing anatectic Al-Mg granulite

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
ⓘSpinel4.BB.05MgAl2O4
ⓘCorundum4.CB.05Al2O3
ⓘvar. Sapphire4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘKornerupine9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
ⓘCordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘvar. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
ⓘDiopside9.DA.15CaMgSi2O6
ⓘSapphirine9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘMarialite9.FB.15Na4Al3Si9O24Cl
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Scapolite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oⓘ CorundumAl2O3
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MarialiteNa4Al3Si9O24Cl
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Corundum var. SapphireAl2O3
Oⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SpinelMgAl2O4
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ ZirconZr(SiO4)
Oⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ MarialiteNa4Al3Si9O24Cl
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mgⓘ SpinelMgAl2O4
Mgⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
AlAluminium
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alⓘ CorundumAl2O3
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Alⓘ MarialiteNa4Al3Si9O24Cl
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ Corundum var. SapphireAl2O3
Alⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SpinelMgAl2O4
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Siⓘ MarialiteNa4Al3Si9O24Cl
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ PyriteFeS2
ClChlorine
Clⓘ MarialiteNa4Al3Si9O24Cl
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Fossils

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Other Databases

GeoNames ID:11927612

Localities in this Region

Madagascar
Madagascar

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Somali PlateTectonic Plate

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