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Lithiowodginite

A valid IMA mineral species
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About LithiowodginiteHide

Formula:
LiTa3O8
Type material is very Mn-rich:
(Li0.53Mn0.43Fe3+0.01)Σ=0.97(Ta2.49Nb0.26Sn4+0.20)Σ=2.95O8.
Colour:
Dark pink to red
Lustre:
Adamantine
Hardness:
Specific Gravity:
7.5
Crystal System:
Monoclinic
Name:
Named for its lithium content and its relationship to wodginite.
Dimorph of:
Corresponds to the intermediate-temperature form of synthetic LiTa3O8.


Unique IdentifiersHide

Mindat ID:
2392
Long-form identifier:
mindat:1:1:2392:0

IMA Classification of LithiowodginiteHide

Approved
IMA Formula:
LiTa5+3O8
Approval year:
1988
First published:
1990

Classification of LithiowodginiteHide

4.DB.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
8.1.8.4

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
LwdgIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LithiowodginiteHide

Adamantine
Transparency:
Translucent
Colour:
Dark pink to red
Streak:
Pale pink
Hardness:
6½ on Mohs scale
Fracture:
Irregular/Uneven
Density:
7.5(2) g/cm3 (Measured)    7.74 g/cm3 (Calculated)

Optical Data of LithiowodginiteHide

Anisotropism:
Strong
Bireflectance:
Weak
Reflectivity:
WavelengthR1 (%)R2 (%)
486nm14.1%13.0%
553nm14.0%12.9%
589nm14.3%13.0%
656nm14.0%12.5%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 14.3%.
R1 shown in black, R2 shown in red

Chemistry of LithiowodginiteHide

Mindat Formula:
LiTa3O8

Type material is very Mn-rich:
(Li0.53Mn0.43Fe3+0.01)Σ=0.97(Ta2.49Nb0.26Sn4+0.20)Σ=2.95O8.
Element Weights:
Element% weight
Ta80.091 %
O18.885 %
Li1.024 %

Calculated from ideal end-member formula.

Crystallography of LithiowodginiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 9.441(3) Å, b = 11.516(4) Å, c = 5.062(2) Å
β = 91.06(8)°
Ratio:
a:b:c = 0.82 : 1 : 0.44
Unit Cell V:
550.26 ų (Calculated from Unit Cell)
Z:
4

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0018738LithiowodginiteSantoro A, Roth R S, Minor D (1977) Neutron powder diffraction study of the intermediate-temperature form of lithium tantalate Acta Crystallographica B33 3945-39471977synthetic0293
0013334LithiowodginiteGatehouse B M, Negas T, Roth R S (1976) The crystal structure of M-LiTa3O8 and its relationship to the mineral wodginite Journal of Solid State Chemistry 18 1-71976synthetic0293
0005279LithiowodginiteErcit T S, Hawthorne F C, Cerny P (1992) The wodginite group. I. Structural crystallography The Canadian Mineralogist 30 597-61119920293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.978 Å(100)
3.65 Å(82)
2.940 Å(59)
2.502 Å(38)
1.709 Å(32)
1.724 Å(24)
1.777 Å(20)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of LithiowodginiteHide

General Appearance of Type Material:
Central parts (up to 5 mm) of red-brown wodginite (crystals up to several centimeters).
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, 2052/1.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
In albitic zones of granitic pegmatites.
Associated Minerals at Type Locality:

Synonyms of LithiowodginiteHide

Other Language Names for LithiowodginiteHide

Relationship of Lithiowodginite to other SpeciesHide

Other Members of Wodginite Group:
Achalaite(Fe2+,Mn)(Ti,Fe3+,Ta)(Nb,Ta)2O8Mon. 2/m : B2/b
FerrotitanowodginiteFe2+TiTa2O8Mon. 2/m : B2/b
FerrowodginiteFe2+Sn4+Ta2O8Mon. 2/m : B2/b
LithiotantiteLiTa3O8Mon. 2/m : P21/b
Tantalowodginite(Mn2+0.50.5)TaTa2O8Mon. 2/m : B2/b
TitanowodginiteMn2+TiTa2O8Mon. 2/m : B2/b
WodginiteMn2+Sn4+Ta2O8Mon. 2/m : B2/b

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Lithiowodginite associated with WodginiteMn2+Sn4+Ta2O8
1 photo of Lithiowodginite associated with 'Ixiolite-(Mn2+)-Ixiolite-(Fe2+) Series'

Related Minerals - Strunz-mindat GroupingHide

4.DB.TianhongqiiteCrTiO3(OH)Mon. 2/m
4.DB.NioboheftetjerniteScNbO4Mon. 2/m : P21/b
4.DB.HuangshaniteFe3+TaO4Mon. 2/m : P2/b
4.DB.Nioboixiolite-(Mn2+)(Nb0.67Mn2+0.33)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.Shakhdaraite-(Y)ScYNb2O8Mon. 2/m : P2/b
4.DB.05VarlamoffiteSn1-xFexO2-x(OH)
4.DB.05ArgutiteGeO2Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.05CassiteriteSnO2Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.05RutileTiO2Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.05PlattneritePbO2Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.05TripuhyiteFe3+Sb5+O4Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.05TugarinoviteMoO2Mon. 2/m : P21/b
4.DB.05PyrolusiteMn4+O2Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.10ByströmiteMgSb2O6Tet. 4/mmm(4/m2/m2/m) : P4/nmm
4.DB.10OrdoñeziteZnSb2O6Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.10TredouxiteNiSb2O6Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.10Tapiolite-(Mn)Mn2+Ta2O6Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.10Tapiolite-(Fe)Fe2+Ta2O6Tet. 4/mmm(4/m2/m2/m) : P42/mnm
4.DB.15aParamontroseiteV4+O2Orth. mmm(2/m2/m2/m)
4.DB.15aRamsdelliteMn4+O2Orth. mmm(2/m2/m2/m)
4.DB.15bAkhtenskiteε-Mn4+O2Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.DB.15cNsutite(Mn4+,Mn2+)(O,OH)2Hex.
4.DB.20Scrutinyiteα-PbO2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.20Nioboixiolite-([])(Nb0.80.2)4+O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25IshikawaiteU4+Fe2+Nb2O8Mon.
4.DB.25Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8
4.DB.25Calciosamarskite(Ca,U4+)Fe3+(Nb,Ta,Ti)2O8Orth. mmm(2/m2/m2/m)
4.DB.25Samarskite-(Yb)YbFe3+(Nb,Ta)2O8Mon. 2/m : P2/b
4.DB.25Ixiolite-(Sc)(Ta0.5Sc0.5)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25Ixiolite-(Fe2+)(Ta0.67Fe2+0.33)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25Ixiolite-(Mn2+)(Ta0.67Mn2+0.33)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25Nioboixiolite-(Fe2+)(Nb0.67Fe2+0.33)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25SrilankiteTiO2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.25Samarskite-(Y)YFe3+Nb2O8Mon. 2/m : P2/b
4.DB.25Nioboixiolite-(Fe3+)(Nb0.5Fe3+0.5)O2Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.30 vaWolframite Group
4.DB.30Rossovskyite(Fe3+,Ta)(Nb,Ti)O4Mon. 2/m : P2/b
4.DB.30HuanzalaiteMgWO4Mon. 2/m : P2/b
4.DB.30HeftetjerniteScTaO4Mon. 2/m : P2/b
4.DB.30HübneriteMnWO4Mon. 2/m : P2/b
4.DB.30Sanmartinite(Zn,Fe)WO4Mon. 2/m : P21/b
4.DB.30FerberiteFeWO4Mon. 2/m : P2/b
4.DB.30'Krasnoselskite'CoWO4Mon.
4.DB.35Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10Orth. mmm(2/m2/m2/m)
4.DB.35Tantalaeschynite-(Ce)Ce(TiTa)O6Orth. mmm(2/m2/m2/m) : Pnma
4.DB.35Tantalite-(Mg)(Mg,Fe2+)(Ta,Nb)2O6Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.35Columbite-(Mn)Mn2+Nb2O6Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.35Tantalite-(Mn)Mn2+Ta2O6Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.35Columbite-(Fe)Fe2+Nb2O6Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.35Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
4.DB.35Tantalite-(Fe)Fe2+Ta2O6Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.40FerrotitanowodginiteFe2+TiTa2O8Mon. 2/m : B2/b
4.DB.40'Wolframowodginite'Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.40LithiotantiteLiTa3O8Mon. 2/m : P21/b
4.DB.40TitanowodginiteMn2+TiTa2O8Mon. 2/m : B2/b
4.DB.40Tantalowodginite(Mn2+0.50.5)TaTa2O8Mon. 2/m : B2/b
4.DB.40WodginiteMn2+Sn4+Ta2O8Mon. 2/m : B2/b
4.DB.40FerrowodginiteFe2+Sn4+Ta2O8Mon. 2/m : B2/b
4.DB.45TivaniteV3+TiO3(OH)Mon. 2/m : P21/b
4.DB.50Carmichaelite(Ti,Cr,Fe)[O2-x(OH)x]Mon. 2/m : P21/b
4.DB.55AlumotantiteAlTaO4Orth. mmm(2/m2/m2/m) : Pbcn
4.DB.60Biehlite((Sb,As)O)2[MoO4]Mon. 2/m : B2/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for LithiowodginiteHide

References for LithiowodginiteHide

Localities for LithiowodginiteHide

Showing 8 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Ercit et al. (1992) +1 other reference
DR Congo
 
  • North Kivu
    • Masisi Territory
      • Osso
        • Mumba
Melcher et al. (2015)
  • Tanganyika
Pavel M. Kartashov analythical data of ...
Egypt
 
  • Red Sea Governorate
Alekseev et al. (2023)
Kazakhstan
 
  • East Kazakhstan Region
    • Ulan District
      • Asubulak ore field
        • Krasnokordon
Pekov (1998)
      • Belogorskiy
Peter Kohorst collection +1 other reference
В +20 other references
USA
 
  • Maine
    • Oxford County
      • Greenwood
        • Uncle Tom Mountain
Falster et al. (2019)
 
and/or  
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