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Marivolanitra pegmatite, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania, Madagascari
Regional Level Types
Marivolanitra pegmatitePegmatite
MandrosonoroCommune
Ambatofinandrahana DistrictDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
20° 46' 9'' South , 45° 51' 51'' East
Latitude & Longitude (decimal):
-20.76944,45.86417
GeoHash:
G#: mh29gej30
GRN:
S14E31
Type:
Pegmatite
Köppen climate type:
Aw : Tropical savanna, wet
Mindat Locality ID:
58426
Long-form identifier:
mindat:1:2:58426:8
GUID (UUID V4):
13b7c234-3ca8-40c9-8769-32c92606962d
Other Languages:
Malagasy:
Pegmatitan'i Marivolanitra, Kaominin'i Mandrosonoro, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


A beryl- and phosphate-bearing pegmatite worked for beryl and columbite-tantalite, located at the Marivolanitra Hill close to the Manambazaha river, 10 km N of Ampandramaika. Large masses (weighing over 100 kgs) of triplite with many other phosphates were found here.
In 1972 it was reported that the pegmatite had produced about 400 tons of beryl (including a single prismatic crystal that weighed 25 tons) and 3 tons of columbite-tantalite.
Apart from the main pegmatite, about 12 other pegmatites have been found in the area nearby.
Coordinates are not confirmed.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


27 valid minerals.

Rock Types Recorded

Note: 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)
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Description: alteration product of uraninite
ⓘ Barbosalite
Formula: Fe2+Fe3+2(PO4)2(OH)2
Habit: crystalline masses
ⓘ Bermanite
Formula: Mn2+Mn3+2(PO4)2(OH)2 · 4H2O
Habit: small crystals< 0,5 mm forming rims around masses of phosphosiderite
Colour: redbrown
Description: Analysed by Miss Mrose with XRD in 1956
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ 'Columbite-Tantalite'
ⓘ Cyrilovite
Formula: NaFe3+3(PO4)2(OH)4 · 2H2O
ⓘ Dewindtite
Formula: H2Pb3(UO2)6O4(PO4)4 · 12H2O
ⓘ Dufrénite
Formula: Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Graftonite
Formula: Fe2+Fe2+2(PO4)2
ⓘ Heterosite ?
Formula: (Fe3+,Mn3+)PO4
Description: Listed by Behier (1963)
ⓘ 'Heterosite-Purpurite Series'
ⓘ Hureaulite
Formula: Mn2+5(PO3OH)2(PO4)2 · 4H2O
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Leucophosphite
Formula: KFe3+2(PO4)2(OH) · 2H2O
Habit: small violette crystals or as small green masses in phosphate nodules
ⓘ Lipscombite
Formula: Fe2+Fe3+2(PO4)2(OH)2
Habit: Forming a thin film on altered triplite
Colour: green-yellow
Description: Analysis (XRD) by M.E.Rose.
ⓘ Lithiophilite
Formula: LiMn2+PO4
Habit: Lamellary masses
Colour: Salmon rose; brown
Description: Identity confirmed by XRD by M.E.Rose (communication personel to J. Behier). Difficult to distinguish from graftonite which also occurs at Marivolanitra
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Mitridatite
Formula: Ca2Fe3+3(PO4)3O2 · 3H2O
Colour: yellow-greenish to olive-green
Description: Identified by Miss M.E. Rose. As small pulvurent masses
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Phosphosiderite
Formula: FePO4 · 2H2O
Description: Described by Behier (1960) under the name "metastrengite".
ⓘ Phosphosiderite var. Vilateite
Formula: FePO4 · 2H2O
Habit: very small crystals
Colour: colourless to clar pinkish
Description: Described by Behier (1957,1960) first under the name blue "metastrengite"
ⓘ Phosphuranylite ?
Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Description: Jean Behier (1960, p. 52) described a ineral he thought to be in the phosphuranylite-renardite series. He showed the presence of Pb, but concluded that a quantitative analysis is neccessary to identify the specimen. A photo has been uploaded that fits well to the description of this mineral, see https://www.mindat.org/photo-897687.html
ⓘ 'Psilomelane'
ⓘ Rockbridgeite
Formula: Fe2+Fe3+4(PO4)3(OH)5
Habit: botryoidal masses or as fibrous crust up to one cm.
ⓘ Stewartite
Formula: Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘ Strengite
Formula: FePO4 · 2H2O
ⓘ Tavorite
Formula: LiFe3+(PO4)(OH)
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Triplite
Formula: Mn2+2(PO4)F
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘ Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
Habit: fibrous or botryoidal masses consisting of small sphaerolites or as small tabular crystals in cavities in graftonite
Colour: grey-bluish to blue-lavendel
Description: Behier (1957, 1960) describes the mineral under the name "angelardite" and "metastrengite". It occured in 2 different habitus at Marivolanitra. This one was very similar to the classic angelardite from Limouns, and therefore labelled by him as angelardite. see also under entry vilateite

Gallery:

Fe2+Fe2+2(PO4)2ⓘ Graftonite
FePO4 · 2H2Oⓘ Phosphosiderite

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite ?8.AB.10(Fe3+,Mn3+)PO4
ⓘLithiophilite8.AB.10LiMn2+PO4
ⓘGraftonite8.AB.20Fe2+Fe2+2(PO4)2
ⓘTavorite8.BB.05LiFe3+(PO4)(OH)
ⓘTriplite8.BB.10Mn2+2(PO4)F
ⓘBarbosalite8.BB.40Fe2+Fe3+2(PO4)2(OH)2
ⓘLipscombite8.BB.90Fe2+Fe3+2(PO4)2(OH)2
ⓘRockbridgeite8.BC.10Fe2+Fe3+4(PO4)3(OH)5
ⓘHureaulite8.CB.10Mn2+5(PO3OH)2(PO4)2 · 4H2O
ⓘPhosphosiderite
var. Vilateite		8.CD.05FePO4 · 2H2O
ⓘ8.CD.05FePO4 · 2H2O
ⓘStrengite8.CD.10FePO4 · 2H2O
ⓘVivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
ⓘBermanite8.DC.20Mn2+Mn3+2(PO4)2(OH)2 · 4H2O
ⓘStewartite8.DC.30Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘLeucophosphite8.DH.10KFe3+2(PO4)2(OH) · 2H2O
ⓘMitridatite8.DH.30Ca2Fe3+3(PO4)3O2 · 3H2O
ⓘDufrénite8.DK.15Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
ⓘCyrilovite8.DL.10NaFe3+3(PO4)2(OH)4 · 2H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘDewindtite8.EC.10H2Pb3(UO2)6O4(PO4)4 · 12H2O
ⓘPhosphuranylite ?8.EC.10KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Group 9 - Silicates
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Psilomelane'-
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Heterosite-Purpurite Series'-
ⓘ'Columbite-Tantalite'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Hⓘ BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
Hⓘ CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Hⓘ DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2O
Hⓘ DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Hⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Hⓘ LipscombiteFe2+Fe23+(PO4)2(OH)2
Hⓘ MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Hⓘ PhosphosideriteFePO4 · 2H2O
Hⓘ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Hⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Hⓘ StrengiteFePO4 · 2H2O
Hⓘ TavoriteLiFe3+(PO4)(OH)
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Hⓘ Phosphosiderite var. VilateiteFePO4 · 2H2O
LiLithium
Liⓘ LithiophiliteLiMn2+PO4
Liⓘ TavoriteLiFe3+(PO4)(OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Oⓘ BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Oⓘ DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2O
Oⓘ DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Oⓘ GraftoniteFe2+Fe22+(PO4)2
Oⓘ Heterosite(Fe3+,Mn3+)PO4
Oⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Oⓘ LipscombiteFe2+Fe23+(PO4)2(OH)2
Oⓘ LithiophiliteLiMn2+PO4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Oⓘ PhosphosideriteFePO4 · 2H2O
Oⓘ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Oⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Oⓘ StrengiteFePO4 · 2H2O
Oⓘ TavoriteLiFe3+(PO4)(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ TripliteMn22+(PO4)F
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Oⓘ Phosphosiderite var. VilateiteFePO4 · 2H2O
FFluorine
Fⓘ TripliteMn22+(PO4)F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Pⓘ BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
Pⓘ CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Pⓘ DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2O
Pⓘ DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Pⓘ GraftoniteFe2+Fe22+(PO4)2
Pⓘ Heterosite(Fe3+,Mn3+)PO4
Pⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Pⓘ LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Pⓘ LipscombiteFe2+Fe23+(PO4)2(OH)2
Pⓘ LithiophiliteLiMn2+PO4
Pⓘ MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Pⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Pⓘ PhosphosideriteFePO4 · 2H2O
Pⓘ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Pⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Pⓘ StrengiteFePO4 · 2H2O
Pⓘ TavoriteLiFe3+(PO4)(OH)
Pⓘ TripliteMn22+(PO4)F
Pⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Pⓘ Phosphosiderite var. VilateiteFePO4 · 2H2O
SSulfur
Sⓘ JarositeKFe33+(SO4)2(OH)6
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Caⓘ MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Caⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
MnManganese
Mnⓘ BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
Mnⓘ Heterosite(Fe3+,Mn3+)PO4
Mnⓘ HureauliteMn52+(PO3OH)2(PO4)2 · 4H2O
Mnⓘ LithiophiliteLiMn2+PO4
Mnⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Mnⓘ TripliteMn22+(PO4)F
FeIron
Feⓘ BarbosaliteFe2+Fe23+(PO4)2(OH)2
Feⓘ CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Feⓘ DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Feⓘ GraftoniteFe2+Fe22+(PO4)2
Feⓘ Heterosite(Fe3+,Mn3+)PO4
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Feⓘ LipscombiteFe2+Fe23+(PO4)2(OH)2
Feⓘ MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Feⓘ PhosphosideriteFePO4 · 2H2O
Feⓘ RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Feⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Feⓘ StrengiteFePO4 · 2H2O
Feⓘ TavoriteLiFe3+(PO4)(OH)
Feⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Feⓘ Phosphosiderite var. VilateiteFePO4 · 2H2O
PbLead
Pbⓘ DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2O
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2O
Uⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

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

Behier, Jean (1957) Les minéraux phospates de la pegmatite de Marivolanitra, Madagascar. In Commision de Coopération Technique en Afrique au Sud du Sahara (C.C.T.A.) Geologie. Comités regionaux Centre, Est et Sud Vol. 1. Service Géologique de Madagascar, Tananarivo. p.237-242.
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
Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachepp.62-62
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 (28-29).
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