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Amboasary Sud District, Anosy, Madagascari
Regional Level Types
Amboasary Sud DistrictDistrict
AnosyRegion
MadagascarCountry

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Largest Settlements:
PlacePopulation
Amboasary36,082 (2018)
Mindat Locality ID:
58234
Long-form identifier:
mindat:1:2:58234:9
GUID (UUID V4):
0
Other/historical names associated with this locality:
L' Androy Mandraréen
Other Languages:
French:
Amboasary Sud, Anosy, Madagascar
German:
Amboasary Sud, Anosy, Madagaskar
Italian:
Amboasary Sud, regione di Anosy, Madagascar
Malagasy:
Distrikan' Amboasary Atsimo, Faritr' Anosy, Madagasikara
Catalan:
Amboasary-Atsimo, Madagascar
Dutch:
Amboasary Sud, Anosy, Madagaskar
Farsi/Persian:
امبواساری سود, آنوسی, ماداگاسکار


The Amboasary District, especially the area north of the town Amboasary and on the eastern side of the river Mandrare - from Behara to Esira- is famous for its many thorianite and phlogopite deposits.
This area has been named (in French) L'Androy Mandraréen in earlier maps and writings. Today, the name Androy (stricto sensu) is the name of the area and the administrative region west of the river Mandrare.
Thus, the name "L'Androy Mandraréen" does not refer to the Androy region but to the northern area in the Amboasary district.

NOTE:
Old (and newer) labels with minerals from the Anosy region can have a reference to Androy (ex. locality, Androy, Fort Dauphin)- thus meaning "L'Androy Mandraréen" and not the Androy Region.

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

68 valid minerals. 2 (TL) - type locality of valid minerals.

Rock Types Recorded


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)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ 'Alkali Feldspar'
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
References:
ⓘ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Anhydrite
Formula: CaSO4
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
Localities: Reported from at least 12 localities in this region.
Description: As common mineral in the skarn but also as colorless transparent 0,5 mm grains or as whitish crystals as inclusions or filling fissures in sapphires. The plagioclase inclusions were showed to be of an anorthite composition (Schwartz and Petsch 1996)
ⓘ Anorthite var. Bytownite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
ⓘ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
Localities: Reported from at least 16 localities in this region.
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Augite var. Fassaite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Baddeleyite
Formula: ZrO2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Böhmite
Formula: AlO(OH)
ⓘ Calcite
Formula: CaCO3
Localities: Reported from at least 28 localities in this region.
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chevkinite Group'
Description: J.Behier (1963) uses the name and spelling "tscheffkinite".
ⓘ 'Chlorite Group'
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ 'Clinopyroxene Subgroup'
ⓘ Cordierite
Formula: Mg2Al4Si5O18
ⓘ Corundum
Formula: Al2O3
Localities: Reported from at least 15 localities in this region.
ⓘ Corundum var. Ruby
Formula: Al2O3
ⓘ Corundum var. Sapphire
Formula: Al2O3
ⓘ Covellite
Formula: CuS
ⓘ 'Davidite'
Description: J.Behier (1963) uses the variety name "mazuvite".
ⓘ Diaspore
Formula: AlO(OH)
ⓘ Diopside
Formula: CaMgSi2O6
Localities: Reported from at least 24 localities in this region.
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Elbaite-Liddicoatite Series'
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorite
Formula: CaF2
Localities: Reported from at least 8 localities in this region.
ⓘ Fluoro-cannilloite ?
Formula: CaCa2(Mg4Al)(Si5Al3)O22F2
Description: Found in a metamorphic U-rich thorianite bearing pyroxenite near Tranomaro. (Lapis 21 (11): 45. Set as questionable due to lack of analytic evidence.
ⓘ Fluoro-pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22F2
ⓘ Fluorophlogopite
Formula: KMg3(Si3Al)O10F2
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Localities: Reported from at least 10 localities in this region.
Habit: Intertangled masses and fanlike groups of poorly developed crystals up to 3cm long and 1,5 cm wide
Colour: bluegreen; Translucent, transparent in splinters
Description: Sometimes part of the grandidierite or the matrix is covered by a thin crust of calcite
ⓘ Hedenbergite
Formula: CaFe2+Si2O6
Colour: greenish brown
Description: As grains as inclusions in sapphire
ⓘ Hibonite (TL)
Formula: CaAl12O19
Localities: Reported from at least 18 localities in this region.
Description: per correspondence with Knut Edvard: The TL produced just a few specimens in the year of discovery (also an eluvial locality ). When lacking exact locality data the Madagascar hibonite specimens are often erroneously labeled and sold as coming from Esiva, often being the only locality referred to in textbooks.
ⓘ Humite ?
Formula: Mg7(SiO4)3F2
Description: A Humite group mineral found i marbles were visually identified as Humite. It is impossible by visual means only to distinguish between different members of the Humite Farouk. Analyzed Humite group minerals from the same area is identified by xrd as clinohumite.
ⓘ 'Humite Group'
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'K Feldspar'
ⓘ 'Lepidolite'
ⓘ Liddicoatite ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour: bluish, black
Description: Bluish portion close to the antilogious pole is by quantitative WDS-microprobe chemical analyses (Pezzotta & Jobin 2003, Pezzotta (2004) showed to be "liddicoatite" s.l. with a high content of Ca. Also the blackish termination of an opaque crystal was "liddicoatite", s.l.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Meionite
Formula: Ca4Al6Si6O24CO3
ⓘ 'Mica Group'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Microcline var. Amazonite
Formula: K(AlSi3O8)
ⓘ 'Monazite Group'
Formula: REE(PO4)
Localities: Reported from at least 7 localities in this region.
ⓘ Mottramite
Formula: PbCu(VO4)(OH)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
Colour: Green
ⓘ 'Orthopyroxene Subgroup'
ⓘ Osumilite
Formula: K◻2Fe2+2Al3[Al2Si10O30]
ⓘ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘ Perovskite
Formula: CaTiO3
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 41 localities in this region.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Localities: Reported from at least 7 localities in this region.
ⓘ Potassic-fluoro-pargasite (TL)
Formula: KCa2(Mg4Al)(Si6Al2)O22F2
Type Locality:
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Habit: Small octahedrons up to 2 mm across
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 11 localities in this region.
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rhodizite
Formula: KBe4Al4(B11Be)O28
ⓘ Richterite ?
Formula: Na(CaNa)Mg5(Si8O22)(OH)2
Description: Probably erronously identified. Pargasites are well-known in the skarns in this area
ⓘ Rossmanite ?
Formula: ◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Colour: Pinkis
Description: Analyzed pinkish portions of a low alkali-deficient tourmaline, with Fe og Mg close to zero in concentration, could according to Pezzotta (2004) be regarded as a rossmanite, but he also points to compositional problems with the tourmaline.
ⓘ Rutile
Formula: TiO2
Description: As microscopic inclusions in sapphire as oriented needlelike crystals
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
ⓘ 'Scapolite'
Localities: Reported from at least 31 localities in this region.
ⓘ 'Scapolite var. Wernerite'
Localities: Reported from at least 16 localities in this region.
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Serendibite
Formula: Ca4[Mg6Al6]O4[Si6B3Al3O36]
Habit: anhedral, occurs in single grains and aggregates.
Colour: colourless to yellow green
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Colour: yellow
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Sinhalite
Formula: MgAl(BO4)
ⓘ Spinel
Formula: MgAl2O4
Localities: Reported from at least 31 localities in this region.
ⓘ Spinel var. Pleonaste
Formula: (Mg,Fe)Al2O4
ⓘ 'Spinel Subgroup'
Formula: A2+D3+2O4
ⓘ Thorianite
Formula: ThO2
Localities: Reported from at least 51 localities in this region.
Habit: cubes
Description: Unusually large crystals (Up to several centimeters!). Exceptional specimen in École des mines, Paris 9 x 9 cm, year 1962 [see Bancroft, Peter (1973) The World's Finest Minerals and Crystals].
ⓘ Thorianite var. Uranothorianite
Formula: (Th,U)O2
Localities: Reported from at least 6 localities in this region.
Habit: cubes from a few mm to about 1 cm
Colour: black
Description: Found as crystals in phlogopite or diopside
ⓘ Thorite
Formula: Th(SiO4)
Localities: Reported from at least 12 localities in this region.
ⓘ Thorite var. Orangite
Formula: Th(SiO4)
ⓘ Thorite var. Thorogummite
Formula: (Th,U)(SiO4)1-x(OH)4x
Localities: Reported from at least 9 localities in this region.
ⓘ Titanite
Formula: CaTiO(SiO4)
Localities: Reported from at least 16 localities in this region.
Description: as small crystals in the pyroxenite
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Indicolite'
ⓘ Wollastonite
Formula: Ca3(Si3O9)
Localities: Reported from at least 7 localities in this region.
ⓘ Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 14 localities in this region.
ⓘ Zirconolite
Formula: CaZrTi2O7

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘvar. Pleonaste4.BB.05(Mg,Fe)Al2O4
ⓘCorundum4.CB.05Al2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘCorundum
var. Ruby
4.CB.05Al2O3
ⓘvar. Sapphire4.CB.05Al2O3
ⓘPerovskite4.CC.30CaTiO3
ⓘHibonite (TL)4.CC.45CaAl12O19
ⓘQuartz
var. Amethyst
4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘCassiterite4.DB.05SnO2
ⓘRutile4.DB.05TiO2
ⓘBaddeleyite4.DE.35ZrO2
ⓘZirconolite4.DH.30CaZrTi2O7
ⓘThorianite4.DL.05ThO2
ⓘvar. Uranothorianite4.DL.05(Th,U)O2
ⓘDiaspore4.FD.10AlO(OH)
ⓘBöhmite4.FE.15AlO(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 6 - Borates
ⓘSinhalite6.AC.05MgAl(BO4)
ⓘRhodizite6.GC.05KBe4Al4(B11Be)O28
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMottramite8.BH.40PbCu(VO4)(OH)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘThorite
var. Orangite
9.AD.30Th(SiO4)
ⓘ9.AD.30Th(SiO4)
ⓘvar. Thorogummite9.AD.30(Th,U)(SiO4)1-x(OH)4x
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘHumite ?9.AF.50Mg7(SiO4)3F2
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘGrandidierite9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘCordierite9.CJ.10Mg2Al4Si5O18
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘLiddicoatite ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘRossmanite ?9.CK.05◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘOsumilite9.CM.05K◻2Fe2+2Al3[Al2Si10O30]
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘHedenbergite9.DA.15CaFe2+Si2O6
ⓘAugite
var. Fassaite
9.DA.15(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ⓘFluoro-cannilloite ?9.DE.10CaCa2(Mg4Al)(Si5Al3)O22F2
ⓘPargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘFluoro-pargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22F2
ⓘPotassic-fluoro-pargasite (TL)9.DE.15KCa2(Mg4Al)(Si6Al2)O22F2
ⓘRichterite ?9.DE.20Na(CaNa)Mg5(Si8O22)(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘSerendibite9.DH.40Ca4[Mg6Al6]O4[Si6B3Al3O36]
ⓘSapphirine9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘFluorophlogopite9.EC.20KMg3(Si3Al)O10F2
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘMicrocline
var. Amazonite
9.FA.30K(AlSi3O8)
ⓘ9.FA.30K(AlSi3O8)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘvar. Bytownite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
ⓘvar. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
ⓘAlbite
var. Cleavelandite
9.FA.35Na(AlSi3O8)
ⓘMeionite9.FB.15Ca4Al6Si6O24CO3
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5(T8O22)W2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Davidite'-
ⓘ'Feldspar Group'-
ⓘ'Tourmaline
var. Indicolite'
-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Lepidolite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Scapolite
var. Wernerite'
-
ⓘ'Feldspar Group
var. Perthite'
-
ⓘ'Mica Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Scapolite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Elbaite-Liddicoatite Series'-
ⓘ'Humite Group'-
ⓘ'Chevkinite Group'-
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ'Spinel Subgroup'-A2+D3+2O4

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ BöhmiteAlO(OH)
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ DiasporeAlO(OH)
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MottramitePbCu(VO4)(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Hⓘ Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Hⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ Elbaite-Liddicoatite Series
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
Liⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Liⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Liⓘ Elbaite-Liddicoatite Series
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ RhodiziteKBe4Al4(B11Be)O28
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Bⓘ Tourmaline var. Indicolite
Bⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ RhodiziteKBe4Al4(B11Be)O28
Bⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Bⓘ SinhaliteMgAl(BO4)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Bⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Elbaite-Liddicoatite Series
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ MeioniteCa4Al6Si6O24CO3
Cⓘ Scapolite var. Wernerite
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Microcline var. AmazoniteK(AlSi3O8)
Oⓘ Quartz var. AmethystSiO2
Oⓘ Amphibole SupergroupAB2C5(T8O22)W2
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnhydriteCaSO4
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BaddeleyiteZrO2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BöhmiteAlO(OH)
Oⓘ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ CordieriteMg2Al4Si5O18
Oⓘ CorundumAl2O3
Oⓘ DiasporeAlO(OH)
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ EnstatiteMg2Si2O6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ ForsteriteMg2(SiO4)
Oⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Oⓘ HedenbergiteCaFe2+Si2O6
Oⓘ HiboniteCaAl12O19
Oⓘ HumiteMg7(SiO4)3F2
Oⓘ IlmeniteFe2+TiO3
Oⓘ Tourmaline var. Indicolite
Oⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MeioniteCa4Al6Si6O24CO3
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ MottramitePbCu(VO4)(OH)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ Thorite var. OrangiteTh(SiO4)
Oⓘ OsumiliteK◻2Fe22+Al3[Al2Si10O30]
Oⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RhodiziteKBe4Al4(B11Be)O28
Oⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Oⓘ Corundum var. RubyAl2O3
Oⓘ RutileTiO2
Oⓘ SanidineK(AlSi3O8)
Oⓘ Corundum var. SapphireAl2O3
Oⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Oⓘ ScheeliteCa(WO4)
Oⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SinhaliteMgAl(BO4)
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ SpinelMgAl2O4
Oⓘ ThorianiteThO2
Oⓘ ThoriteTh(SiO4)
Oⓘ Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Thorianite var. Uranothorianite(Th,U)O2
Oⓘ Scapolite var. Wernerite
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ ZirconZr(SiO4)
Oⓘ ZirconoliteCaZrTi2O7
Oⓘ Spinel var. Pleonaste(Mg,Fe)Al2O4
Oⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Oⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Oⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Elbaite-Liddicoatite Series
Oⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Oⓘ Spinel SubgroupA2+D23+O4
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ HumiteMg7(SiO4)3F2
Fⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Fⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Fⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Fⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Naⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Naⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Naⓘ Scapolite var. Wernerite
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Naⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Naⓘ Elbaite-Liddicoatite Series
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ CordieriteMg2Al4Si5O18
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Mgⓘ HumiteMg7(SiO4)3F2
Mgⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Mgⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mgⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Mgⓘ SinhaliteMgAl(BO4)
Mgⓘ SpinelMgAl2O4
Mgⓘ Spinel var. Pleonaste(Mg,Fe)Al2O4
Mgⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Mgⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Mgⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Mgⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Mgⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Microcline var. AmazoniteK(AlSi3O8)
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BöhmiteAlO(OH)
Alⓘ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ CordieriteMg2Al4Si5O18
Alⓘ CorundumAl2O3
Alⓘ DiasporeAlO(OH)
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Alⓘ HiboniteCaAl12O19
Alⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MeioniteCa4Al6Si6O24CO3
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OsumiliteK◻2Fe22+Al3[Al2Si10O30]
Alⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ RhodiziteKBe4Al4(B11Be)O28
Alⓘ Corundum var. RubyAl2O3
Alⓘ SanidineK(AlSi3O8)
Alⓘ Corundum var. SapphireAl2O3
Alⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Alⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SinhaliteMgAl(BO4)
Alⓘ SpinelMgAl2O4
Alⓘ Scapolite var. Wernerite
Alⓘ Spinel var. Pleonaste(Mg,Fe)Al2O4
Alⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Alⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Alⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Alⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Alⓘ Elbaite-Liddicoatite Series
Alⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Microcline var. AmazoniteK(AlSi3O8)
Siⓘ Quartz var. AmethystSiO2
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ CordieriteMg2Al4Si5O18
Siⓘ DiopsideCaMgSi2O6
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2(SiO4)
Siⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Siⓘ HedenbergiteCaFe2+Si2O6
Siⓘ HumiteMg7(SiO4)3F2
Siⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ MeioniteCa4Al6Si6O24CO3
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ Thorite var. OrangiteTh(SiO4)
Siⓘ OsumiliteK◻2Fe22+Al3[Al2Si10O30]
Siⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Siⓘ SanidineK(AlSi3O8)
Siⓘ SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Siⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ ThoriteTh(SiO4)
Siⓘ Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Scapolite var. Wernerite
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ ZirconZr(SiO4)
Siⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Siⓘ Rossmanite◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Siⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Siⓘ Elbaite-Liddicoatite Series
Siⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ ArsenopyriteFeAsS
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Scapolite var. Wernerite
KPotassium
Kⓘ Microcline var. AmazoniteK(AlSi3O8)
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OsumiliteK◻2Fe22+Al3[Al2Si10O30]
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ RhodiziteKBe4Al4(B11Be)O28
Kⓘ SanidineK(AlSi3O8)
Kⓘ FluorophlogopiteKMg3(Si3Al)O10F2
Kⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ AnhydriteCaSO4
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ HedenbergiteCaFe2+Si2O6
Caⓘ HiboniteCaAl12O19
Caⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Caⓘ LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Caⓘ MeioniteCa4Al6Si6O24CO3
Caⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caⓘ PerovskiteCaTiO3
Caⓘ RichteriteNa(CaNa)Mg5(Si8O22)(OH)2
Caⓘ ScheeliteCa(WO4)
Caⓘ SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Scapolite var. Wernerite
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ ZirconoliteCaZrTi2O7
Caⓘ Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Caⓘ Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
Caⓘ ApatiteCa5(PO4)3A
Caⓘ Elbaite-Liddicoatite Series
Caⓘ Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PerovskiteCaTiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
Tiⓘ ZirconoliteCaZrTi2O7
Tiⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
VVanadium
Vⓘ MottramitePbCu(VO4)(OH)
FeIron
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ ArsenopyriteFeAsS
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Feⓘ HedenbergiteCaFe2+Si2O6
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ OsumiliteK◻2Fe22+Al3[Al2Si10O30]
Feⓘ PyriteFeS2
Feⓘ Spinel var. Pleonaste(Mg,Fe)Al2O4
Feⓘ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ CovelliteCuS
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ MottramitePbCu(VO4)(OH)
AsArsenic
Asⓘ ArsenopyriteFeAsS
ZrZirconium
Zrⓘ BaddeleyiteZrO2
Zrⓘ ZirconZr(SiO4)
Zrⓘ ZirconoliteCaZrTi2O7
SnTin
Snⓘ CassiteriteSnO2
WTungsten
Wⓘ ScheeliteCa(WO4)
PbLead
Pbⓘ MottramitePbCu(VO4)(OH)
ThThorium
Thⓘ Thorite var. OrangiteTh(SiO4)
Thⓘ ThorianiteThO2
Thⓘ ThoriteTh(SiO4)
Thⓘ Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Thⓘ Thorianite var. Uranothorianite(Th,U)O2
UUranium
Uⓘ Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Uⓘ Thorianite var. Uranothorianite(Th,U)O2

Geochronology

Mineralization age: Mesoarchean to Ordovician : 3020 ± 50 Ma to 480 ± 20 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Ordovician
   Early/Lower Ordovician
ⓘ Thorianite480 ± 20 MaSoafia thorianite deposit, Maromby, Amboasary Sud District, Anosy, Madagascar
    
   
  Cambrian
   Miaolingian
ⓘ Biotite500 ± 12 MaAmbindandrakemba, Tranomaro, Amboasary Sud District, Anosy, Madagascar
   Cambrian Series 2
ⓘ Monazite Group (youngest age)515 MaOsumilite occurrence, Tranomaro, Amboasary Sud District, Anosy, Madagascar
   Terreneuvian
ⓘ Phlogopite534 ± 30 MaSoafia thorianite deposit, Maromby, Amboasary Sud District, Anosy, Madagascar
Precambrian
 Proterozoic
  Neoproterozoic
   Ediacaran
ⓘ Monazite Group (oldest age)591 MaOsumilite occurrence, Tranomaro, Amboasary Sud District, Anosy, Madagascar
    
   
  Mesoproterozoic
   Ectasian
ⓘ Gneiss1330 ± 40 MaAmbindandrakemba, Tranomaro, Amboasary Sud District, Anosy, Madagascar
    
   
  Paleoproterozoic
   Rhyacian
ⓘ Leptynite2057 ± 20 MaMaromby, Amboasary Sud District, Anosy, Madagascar
    
  
 Archean
  Mesoarchean
ⓘ Granite3020 ± 50 MaBehara, Amboasary Sud District, Anosy, Madagascar

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences1
Youngest Fossil Listed112 Ma (Early/Lower Cretaceous)
Oldest Fossil Listed122 Ma (Early/Lower Cretaceous)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Phylloceras (Hypophylloceras) seresitense vohipalense
subspecies
Animalia : Mollusca : Cephalopoda : Phylloceratida : Phylloceratidae : Phylloceras : Phylloceras (Hypophylloceras) seresitense vohipalense122.46 - 112.03 Ma
Early/Lower Cretaceous
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Amboasary_Sud
Wikidata ID:Q458067
GeoNames ID:8299292

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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References

 
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