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Riampotsy, Mangataboahangy, Ambatofinandrahana District, Amoron'i Mania, Madagascari
Regional Level Types
RiampotsyQuarry
MangataboahangyCommune
Ambatofinandrahana DistrictDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
20° 28' South , 46° 27' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Ambatofinandrahana25,997 (2018)38.0km
Mindat Locality ID:
133052
Long-form identifier:
mindat:1:2:133052:9
GUID (UUID V4):
0
Other Languages:
Malagasy:
Riampotsy, Kaominin'i Mangataboahangy, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


The dumortierite locality often labelled "Riampotsy" is refering to a unnamed pegmatite situated about 3 km SE of the village of Riampotsy, about 40 km NV of the town Ambatonfinandrahana in the Central Highland of Madagascar.

A vein 50-80 cm wide vein crossing metamorphic quartzites.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Apatite'
Formula: Ca5(PO4)3A
Habit: small grains
Colour: yellow
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Dumortierite
Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)
Habit: fibrous masses emballed in quartz
Colour: lavender blue to blackblue
ⓘ 'Feldspar Group'
ⓘ Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ Lazulite
Formula: MgAl2(PO4)2(OH)2
Habit: as inclusions in massive quartz
Colour: blue
ⓘ Quartz
Formula: SiO2
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Colour: black
Description: "tourmaline noire"

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘLazulite8.BB.40MgAl2(PO4)2(OH)2
Group 9 - Silicates
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘDumortierite9.AJ.10Al(Al2O)(Al2O)2(SiO4)3(BO3)
ⓘKornerupine9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

HHydrogen
Hⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Hⓘ LazuliteMgAl2(PO4)2(OH)2
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Bⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Oⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Oⓘ KyaniteAl2(SiO4)O
Oⓘ LazuliteMgAl2(PO4)2(OH)2
Oⓘ QuartzSiO2
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ ApatiteCa5(PO4)3A
MgMagnesium
Mgⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mgⓘ LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Alⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Alⓘ KyaniteAl2(SiO4)O
Alⓘ LazuliteMgAl2(PO4)2(OH)2
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SpessartineMn32+Al2(SiO4)3
SiSilicon
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Siⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Siⓘ KyaniteAl2(SiO4)O
Siⓘ QuartzSiO2
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ SpessartineMn32+Al2(SiO4)3
PPhosphorus
Pⓘ LazuliteMgAl2(PO4)2(OH)2
Pⓘ ApatiteCa5(PO4)3A
CaCalcium
Caⓘ ApatiteCa5(PO4)3A
MnManganese
Mnⓘ SpessartineMn32+Al2(SiO4)3

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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