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Ambositra, Amoron'i Mania, Madagascari
Regional Level Types
AmbositraDistrict
Amoron'i ManiaRegion
MadagascarCountry

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PhotosMapsSearch
02545170015398726026205.jpg
View of the a gold alluvials locality in the Ambositra District, ca. 1912.

Ambositra, Amoron'i Mania, Madagascar
08657430015398726023421.jpg
Placer gold mining in the forest area, east of Ambositra ca. 1912

Ambositra, Amoron'i Mania, Madagascar
07504070015370307423010.jpg
View of the a gold alluvials locality in the Ambositra District, ca. 1912.

Ambositra, Amoron'i Mania, Madagascar
00684520015370307441481.jpg
Placer gold mining in the forest area, east of Ambositra ca. 1912

Ambositra, Amoron'i Mania, Madagascar
07504070015370307423010.jpg
View of the a gold alluvials locality in the Ambositra District, ca. 1912.

Ambositra, Amoron'i Mania, Madagascar
00684520015370307441481.jpg
Placer gold mining in the forest area, east of Ambositra ca. 1912

Ambositra, Amoron'i Mania, Madagascar
Largest Settlements:
PlacePopulation
Ambositra30,353 (2018)
Mindat Locality ID:
2252
Long-form identifier:
mindat:1:2:2252:4
GUID (UUID V4):
9238367a-99a2-4539-95de-04de5db576bc
Other Languages:
French:
district d'Ambositra, Amoron'i Mania, Madagascar
Italian:
distretto di Ambositra, regione di Amoron'i Mania, Madagascar
Malagasy:
Distrikan' Ambositra, Faritra Amoron'i Mania, Madagasikara
Simplified Chinese:
安布西特拉區, 阿莫羅尼馬尼亞區, 马达加斯加
Spanish:
Distrito de Ambositra, Región de Amoron'i Mania, Madagascar
Cebuano:
Ambositra District, Amoron'i Mania Region, Madagascar
Dutch:
Ambositra, Amoron'i Mania, Madagaskar
Minnan / Hokkien-Taiwanese:
Ambositra Koān, Amoron'i Mania Khu
Swedish:
Ambositra District, Amoron'i Maniaregionen, Madagaskar


Ambositra is the name of a large town and also a district in the Amoron'i Mania region, S of the town Antsirabe and N of the town Fianarantsoa.

Ambositra town is also a marketplace where one can buy minerals found in the area around Ambositra, this also includes minerals originated from Ambatofinandrahana District and other areas.

Select Mineral List Type

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

57 valid minerals. 4 (TL) - type locality of valid minerals. 1 erroneous literature entry.

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:

Albite
Formula: Na(AlSi3O8)
Habit: Crystals up to 2 cm; feltlike masses; saccharoidal
Colour: Colorless; pale-blue; greyish
Description: often as overgrowth on microcline
Albite var. Cleavelandite
Formula: Na(AlSi3O8)
'Almandine-Spessartine Series'
Amblygonite
Formula: LiAl(PO4)F
Description: May be montebrasite
Anatase
Formula: TiO2
Colour: beige
Andalusite
Formula: Al2(SiO4)O
Andalusite var. Chiastolite
Formula: Al2(SiO4)O
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Habit: microscopic crystals up to 100 microns in length (Nizamoff et al 200o)
Arsenic
Formula: As
Autunite ?
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Description: Perhaps a possible misidentification of clinobisvanite ?? (not analysed, just listed in Ranorosoa (1986))
Baryte
Formula: BaSO4
Béhierite
Formula: (Ta5+,Nb5+)(BO4)
Beryl
Formula: Be3Al2(Si6O18)
Description: Cesium-rich variety
Bismuth
Formula: Bi
Brockite
Formula: (Ca,Th,Ce)PO4 · H2O
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
'Chlorite Group'
Clinobisvanite
Formula: Bi(VO4)
'Clinoptilolite Subgroup'
Formula: M3-6(Si30Al6)O72 · 20H2O
Description: Earlier erronously labeled as heulandite (Lefevre & Thomas (1998).
Columbite-(Mn)
Formula: Mn2+Nb2O6
'Columbite-(Mn)-Tantalite-(Mn) Series'
Danburite
Formula: CaB2Si2O8
Habit: Crystals 1-2 cm in diameter (A.Lacroix 1912); masses
Colour: rose-yellow (A.Lacroix 1912)
Diopside
Formula: CaMgSi2O6
Dumortierite
Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour: pink, green, brown
Description: See comments under tourmaline entry at Antandrokomby locality page. Ranorosoa (1986, 1989) analyzes pink,green and brownish colored tourmaline found in the contactzone and she find these to be elbaite, one an elbaite with 2,44wt% MnO. The brown colored gave this formula Na0,52Ca0,38)0,90(Li1,45Mn0,34Fe0,08Al1,77)3,64Al6,00(BO3)3,00Si6,00O18(OH3,63F0,09)3,72. Simmons et al (2001) states that tourmalines from Antandrokomby are members of the schorl-elbaite series with significant Mg and Ca contents.
'Elbaite-Schorl Series'
'Feldspar Group'
Fluor-liddicoatite ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Description: RRUFF Identification has only been confirmed by single-crystal X-ray diffraction (Red part of red and green prismatic xls) see http://rruff.info/liddicoatite/display=default/R060969
Galena
Formula: PbS
Gold
Formula: Au
Grossular
Formula: Ca3Al2(SiO4)3
Grossular var. Hessonite
Formula: Ca3Al2(SiO4)3
Gypsum
Formula: CaSO4 · 2H2O
Description: Found in tiny cavities in altered pyrite crystals
Hambergite
Formula: Be2(BO3)(OH)
'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Description: Described by LeFevre & Thomas as heulandite but later showed to actually be clinoptilolite (Pezzotta 1999)
Hübnerite
Formula: MnWO4
Hydrokenopyrochlore (TL)
Formula: (◻,x)2Nb2O6(H2O,Cs)
Type Locality:
Hydroxykenomicrolite
Formula: (◻,Na,Sb3+)2Ta2O6(OH)
Jarosite
Formula: KFe3+3(SO4)2(OH)6
Kaolinite
Formula: Al2(Si2O5)(OH)4
'K Feldspar'
Lasnierite (TL)
Formula: (Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
Type Locality:
Lazulite
Formula: MgAl2(PO4)2(OH)2
'Liddicoatite' ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour: Red
Description: It is stated in Pezzotta et al (1997) without any further analysis that the red and green tourmaline at Antandrokomby are mainly liddicoatite. In Pezzotta (1999), p 53 (german version) there is a picture of red crystals with greenish core (from a miarolitic cavity), and the accompanying texts calls these "crystals of elbaite-liddicoatite"- this is not reflected in the book text though.
'Limonite'
Londonite (TL)
Formula: (Cs,K,Rb)Al4Be4(B,Be)12O28
Type Locality:
Habit: Dodecahedron {110}, tristetrahedron {211}, tetrahedron{111} and cube {100} (the last form is rare}
Colour: Milky to pale yellow crystals up to 1 cm
Description: Occurs in saccharoidal albite or in cavities. Many crystals contain patchy zones of londonite and rhodizite that are only visible by back-scattered electron imaging.
'Londonite-Rhodizite Series'
Magnetite
Formula: Fe2+Fe3+2O4
Manandonite (TL)
Formula: Li2Al4(Si2AlB)O10(OH)8
Type Locality:
Habit: Flakes (sometimes with hexagonal contours)in fanlike globular aggregates
Colour: white
Description: white flakes with pearly lustre on the (001) cleavage.
'Mica Group'
Colour: white
Microcline
Formula: K(AlSi3O8)
Habit: crude crystals up to 6 cm
Colour: pale grey
Microcline var. Amazonite
Formula: K(AlSi3O8)
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Habit: rounded crystals
Colour: bright yellow
Description: uraniferous
Monazite-(Ce)
Formula: Ce(PO4)
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Opal
Formula: SiO2 · nH2O
Orthoclase
Formula: K(AlSi3O8)
Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Pyrite
Formula: FeS2
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Quartz
Formula: SiO2
Localities: Reported from at least 13 localities in this region.
Quartz var. Rose Quartz
Formula: SiO2
Rhodizite
Formula: (K,Cs)Al4Be4(B,Be)12O28
Localities: Reported from at least 6 localities in this region.
Habit: pseudo-octahedral xls < 3 cm
Colour: yellow-green
Description: The rhodizite crystals are found very close to the contact with the marble that hosts the pegmatite
Rutile
Formula: TiO2
Rutile var. Ilmenorutile
Formula: (Ti,Nb)O2
Scheelite
Formula: Ca(WO4)
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Tourmalines from Antandrokomby are members of the schorl-elbaite series with significant Mg and Ca contents.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Spodumene
Formula: LiAlSi2O6
Habit: masses to 10 cm
Colour: pink to pale green
Stibiotantalite
Formula: Sb(Ta,Nb)O4
Talc
Formula: Mg3Si4O10(OH)2
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Description: Probably Tantalite-(Mn) ?
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Localities: Reported from at least 9 localities in this region.
Colour: red, pale rose, green; reddish-purple; dark-olive brown
Description: Nizamoff et al (2000) describes 3 types of tourmalines found at Antandrokomby : Type I: prismatic zonated crystals up to 30 cm with dark-olive-brown core and thin dark-red rim. These were found mostly in the massive pegmatite (and which rarely protruded into the pockets). Type II: stubby, zoned, reddish-purple up to 4 cm with dark-olive brown cores and dark red rims (found in miarolitic pockets) Type III: Vibrant pink unzoned crystals less than 2 mm which forms masses of fibrous crystals. Nizamoff et al. (2000) further states that the types I and II from Antandrokomby have dark brown cores that are schorlitic in composition. Weber et al (2002) further states: " Electron microprobe analyses reveal that the tourmalines are not liddicoatite, but principally schorl to elbaite in composition". Ranorosoa (1986) analyzes pink, green and brownish tourmaline found at the pegmatite contactzone (equal to Nizamoff et al.'s type I) and find it to be elbaite in composition (Look under elbaite for further info)
'Tourmaline var. Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Colour: red
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
'Uranmicrolite (of Hogarth 1977)'
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Description: Spelled as uranomikrolith in Pezzotta (1999)
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Xenotime-(Y)
Formula: Y(PO4)
Habit: tiny grains
'Zinnwaldite'
Zircon
Formula: Zr(SiO4)
Zircon var. Malacon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Arsenic1.CA.05As
Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz
var. Rose Quartz
4.DA.05SiO2
4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Rutile
var. Ilmenorutile
4.DB.05(Ti,Nb)O2
4.DB.05TiO2
Hübnerite4.DB.30MnWO4
Columbite-(Mn)4.DB.35Mn2+Nb2O6
Anatase4.DD.05TiO2
Stibiotantalite4.DE.30Sb(Ta,Nb)O4
Hydroxykenomicrolite4.DH.(◻,Na,Sb3+)2Ta2O6(OH)
Hydrokenopyrochlore (TL)4.DH.15(◻,x)2Nb2O6(H2O,Cs)
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Group 6 - Borates
Hambergite6.AB.05Be2(BO3)(OH)
Béhierite6.AC.15(Ta5+,Nb5+)(BO4)
Londonite (TL)6.GC.05(Cs,K,Rb)Al4Be4(B,Be)12O28
Rhodizite6.GC.05(K,Cs)Al4Be4(B,Be)12O28
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Lasnierite (TL)8.AC.52(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
Xenotime-(Y)8.AD.35Y(PO4)
Monazite-(Ce)8.AD.50Ce(PO4)
Clinobisvanite8.AD.65Bi(VO4)
Amblygonite8.BB.05LiAl(PO4)F
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Brockite8.CJ.45(Ca,Th,Ce)PO4 · H2O
Autunite ?8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Group 9 - Silicates
Grossular9.AD.25Ca3Al2(SiO4)3
var. Hessonite9.AD.25Ca3Al2(SiO4)3
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
var. Malacon9.AD.30Zr(SiO4)
Andalusite9.AF.10Al2(SiO4)O
var. Chiastolite9.AF.10Al2(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Dumortierite9.AJ.10Al(Al2O)(Al2O)2(SiO4)3(BO3)
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Beryl9.CJ.05Be3Al2(Si6O18)
'Liddicoatite' ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Fluor-liddicoatite ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Diopside9.DA.15CaMgSi2O6
Spodumene9.DA.30LiAlSi2O6
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Manandonite (TL)9.ED.15Li2Al4(Si2AlB)O10(OH)8
Orthoclase9.FA.30K(AlSi3O8)
Microcline
var. Amazonite
9.FA.30K(AlSi3O8)
9.FA.30K(AlSi3O8)
Albite
var. Cleavelandite
9.FA.35Na(AlSi3O8)
9.FA.35Na(AlSi3O8)
Danburite9.FA.65CaB2Si2O8
Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified
'Uranmicrolite (of Hogarth 1977)'-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
'Limonite'-
'Feldspar Group'-
'Columbite-(Mn)-Tantalite-(Mn) Series'-
'Londonite-Rhodizite Series'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'K Feldspar'-
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Elbaite-Schorl Series'-
'Almandine-Spessartine Series'-
'Clinoptilolite Subgroup'-M3-6(Si30Al6)O72 · 20H2O
'Tourmaline
var. Rubellite'
-A(D3)G6(T6O18)(BO3)3X3Z
'Mica Group'-
'Chlorite Group'-
'Zinnwaldite'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Heulandite Subgroup' ?-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H Brockite(Ca,Th,Ce)PO4 · H2O
H Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H GypsumCaSO4 · 2H2O
H HambergiteBe2(BO3)(OH)
H Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
H JarositeKFe33+(SO4)2(OH)6
H KaoliniteAl2(Si2O5)(OH)4
H LazuliteMgAl2(PO4)2(OH)2
H LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
H ManandoniteLi2Al4(Si2AlB)O10(OH)8
H MuscoviteKAl2(AlSi3O10)(OH)2
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H OpalSiO2 · nH2O
H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H TalcMg3Si4O10(OH)2
H TopazAl2(SiO4)(F,OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
H ApatiteCa5(PO4)3(Cl/F/OH)
H Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)
H Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
H Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)
LiLithium
Li AmblygoniteLiAl(PO4)F
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Li ManandoniteLi2Al4(Si2AlB)O10(OH)8
Li SpodumeneLiAlSi2O6
Li Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be HambergiteBe2(BO3)(OH)
Be Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Be Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
BBoron
B Béhierite(Ta5+,Nb5+)(BO4)
B DanburiteCaB2Si2O8
B DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B HambergiteBe2(BO3)(OH)
B LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
B ManandoniteLi2Al4(Si2AlB)O10(OH)8
B Rhodizite(K,Cs)Al4Be4(B,Be)12O28
B Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
B Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
B Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
CCarbon
C CalciteCaCO3
C CerussitePbCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Microcline var. AmazoniteK(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O AnataseTiO2
O AndalusiteAl2(SiO4)O
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O BaryteBaSO4
O Béhierite(Ta5+,Nb5+)(BO4)
O Brockite(Ca,Th,Ce)PO4 · H2O
O BerylBe3Al2(Si6O18)
O CalciteCaCO3
O CerussitePbCO3
O Andalusite var. ChiastoliteAl2(SiO4)O
O ClinobisvaniteBi(VO4)
O Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
O DanburiteCaB2Si2O8
O DiopsideCaMgSi2O6
O DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O GrossularCa3Al2(SiO4)3
O GypsumCaSO4 · 2H2O
O HambergiteBe2(BO3)(OH)
O Grossular var. HessoniteCa3Al2(SiO4)3
O Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
O HübneriteMnWO4
O Rutile var. Ilmenorutile(Ti,Nb)O2
O JarositeKFe33+(SO4)2(OH)6
O KaoliniteAl2(Si2O5)(OH)4
O LazuliteMgAl2(PO4)2(OH)2
O LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
O Columbite-(Mn)Mn2+Nb2O6
O MagnetiteFe2+Fe23+O4
O ManandoniteLi2Al4(Si2AlB)O10(OH)8
O MicroclineK(AlSi3O8)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O OpalSiO2 · nH2O
O OrthoclaseK(AlSi3O8)
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O QuartzSiO2
O Rhodizite(K,Cs)Al4Be4(B,Be)12O28
O Quartz var. Rose QuartzSiO2
O Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O RutileTiO2
O ScheeliteCa(WO4)
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O SpessartineMn32+Al2(SiO4)3
O SpodumeneLiAlSi2O6
O StibiotantaliteSb(Ta,Nb)O4
O TalcMg3Si4O10(OH)2
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O TopazAl2(SiO4)(F,OH)2
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
O Albite var. CleavelanditeNa(AlSi3O8)
O ApatiteCa5(PO4)3(Cl/F/OH)
O Zircon var. MalaconZr(SiO4)
O Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)
O Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
O Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)
O Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
FFluorine
F AmblygoniteLiAl(PO4)F
F TopazAl2(SiO4)(F,OH)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
F Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
NaSodium
Na AlbiteNa(AlSi3O8)
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Na Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Na Albite var. CleavelanditeNa(AlSi3O8)
Na Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg LazuliteMgAl2(PO4)2(OH)2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg TalcMg3Si4O10(OH)2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mg Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Microcline var. AmazoniteK(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al AndalusiteAl2(SiO4)O
Al BerylBe3Al2(Si6O18)
Al Andalusite var. ChiastoliteAl2(SiO4)O
Al Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Al DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al GrossularCa3Al2(SiO4)3
Al Grossular var. HessoniteCa3Al2(SiO4)3
Al Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Al KaoliniteAl2(Si2O5)(OH)4
Al LazuliteMgAl2(PO4)2(OH)2
Al LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Al ManandoniteLi2Al4(Si2AlB)O10(OH)8
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al OrthoclaseK(AlSi3O8)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpessartineMn32+Al2(SiO4)3
Al SpodumeneLiAlSi2O6
Al TopazAl2(SiO4)(F,OH)2
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Al Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
Al Albite var. CleavelanditeNa(AlSi3O8)
Al Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Al Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Microcline var. AmazoniteK(AlSi3O8)
Si AndalusiteAl2(SiO4)O
Si BerylBe3Al2(Si6O18)
Si Andalusite var. ChiastoliteAl2(SiO4)O
Si Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Si DanburiteCaB2Si2O8
Si DiopsideCaMgSi2O6
Si DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si GrossularCa3Al2(SiO4)3
Si Grossular var. HessoniteCa3Al2(SiO4)3
Si Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Si KaoliniteAl2(Si2O5)(OH)4
Si LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Si ManandoniteLi2Al4(Si2AlB)O10(OH)8
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si OpalSiO2 · nH2O
Si OrthoclaseK(AlSi3O8)
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si QuartzSiO2
Si Quartz var. Rose QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpessartineMn32+Al2(SiO4)3
Si SpodumeneLiAlSi2O6
Si TalcMg3Si4O10(OH)2
Si TopazAl2(SiO4)(F,OH)2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Si ZirconZr(SiO4)
Si Albite var. CleavelanditeNa(AlSi3O8)
Si Zircon var. MalaconZr(SiO4)
Si Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
PPhosphorus
P AmblygoniteLiAl(PO4)F
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P Brockite(Ca,Th,Ce)PO4 · H2O
P LazuliteMgAl2(PO4)2(OH)2
P Monazite-(Ce)Ce(PO4)
P Xenotime-(Y)Y(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
P Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
SSulfur
S BaryteBaSO4
S GalenaPbS
S GypsumCaSO4 · 2H2O
S JarositeKFe33+(SO4)2(OH)6
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Microcline var. AmazoniteK(AlSi3O8)
K Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
K JarositeKFe33+(SO4)2(OH)6
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Rhodizite(K,Cs)Al4Be4(B,Be)12O28
K Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca Brockite(Ca,Th,Ce)PO4 · H2O
Ca CalciteCaCO3
Ca DanburiteCaB2Si2O8
Ca DiopsideCaMgSi2O6
Ca GrossularCa3Al2(SiO4)3
Ca GypsumCaSO4 · 2H2O
Ca Grossular var. HessoniteCa3Al2(SiO4)3
Ca Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Ca LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca ScheeliteCa(WO4)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Ca Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
TiTitanium
Ti AnataseTiO2
Ti Rutile var. Ilmenorutile(Ti,Nb)O2
Ti RutileTiO2
VVanadium
V ClinobisvaniteBi(VO4)
MnManganese
Mn HübneriteMnWO4
Mn Columbite-(Mn)Mn2+Nb2O6
Mn SpessartineMn32+Al2(SiO4)3
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Fe JarositeKFe33+(SO4)2(OH)6
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Fe Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
AsArsenic
As ArsenicAs
RbRubidium
Rb Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
SrStrontium
Sr Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3
YYttrium
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
Zr Zircon var. MalaconZr(SiO4)
NbNiobium
Nb Béhierite(Ta5+,Nb5+)(BO4)
Nb Rutile var. Ilmenorutile(Ti,Nb)O2
Nb Columbite-(Mn)Mn2+Nb2O6
Nb StibiotantaliteSb(Ta,Nb)O4
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
Nb Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Nb Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)
SbAntimony
Sb StibiotantaliteSb(Ta,Nb)O4
Sb Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)
CsCaesium
Cs Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Cs Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Cs Londonite(Cs,K,Rb)Al4Be4(B,Be)12O28
Cs Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)
BaBarium
Ba BaryteBaSO4
CeCerium
Ce Brockite(Ca,Th,Ce)PO4 · H2O
Ce Monazite-(Ce)Ce(PO4)
TaTantalum
Ta Béhierite(Ta5+,Nb5+)(BO4)
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta StibiotantaliteSb(Ta,Nb)O4
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6
Ta Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Ta Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)
WTungsten
W HübneriteMnWO4
W ScheeliteCa(WO4)
AuGold
Au GoldAu
PbLead
Pb CerussitePbCO3
Pb GalenaPbS
BiBismuth
Bi BismuthBi
Bi ClinobisvaniteBi(VO4)
ThThorium
Th Brockite(Ca,Th,Ce)PO4 · H2O
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Fossils

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Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Ambositra_District
Wikidata ID:Q3030848
GeoNames ID:7670914

Localities in this Region

Other Regions, Features and Areas that Intersect

Madagascar
Somali PlateTectonic Plate

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