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Titanowodginite

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Formula:
MnTiTa2O8
System:
Monoclinic
Colour:
Dark brown to black
Hardness:
Name:
The titanium-dominant member of the wodginite group.
Wodginite Group

Classification of Titanowodginite

Approved 1984
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
8.1.8.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
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Type Occurrence of Titanowodginite

Year of Discovery:
1984

Physical Properties of Titanowodginite

Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
Dark brown to black
Streak:
Dark brown
Hardness (Mohs):

Crystallography of Titanowodginite

Crystal System:
Monoclinic
Cell Parameters:
a = 9.46Å, b = 11.43Å, c = 5.12Å
β = 90.31°
Ratio:
a:b:c = 0.828 : 1 : 0.448
Unit Cell Volume:
V 553.61 ų (Calculated from Unit Cell)

Optical Data of Titanowodginite

Type:
Biaxial (+)
Dispersion:
relatively weak

Chemical Properties of Titanowodginite

Formula:
MnTiTa2O8
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Sn,Sc,Nb

Relationship of Titanowodginite to other Species

4.DB.05ArgutiteGeO2
4.DB.05CassiteriteSnO2
4.DB.05PlattneritePbO2
4.DB.05PyrolusiteMnO2
4.DB.05RutileTiO2
4.DB.05TripuhyiteFe3+Sb5+O4
4.DB.05TugarinoviteMoO2
4.DB.05Varlamoffite(Sn,Fe)(O,OH)2
4.DB.10ByströmiteMgSb2O6
4.DB.10Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6
4.DB.10Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6
4.DB.10OrdoñeziteZnSb2O6
4.DB.15bAkhtenskiteε-Mn4+O2
4.DB.15cNsutite(Mn4+,Mn2+)(O,OH)2
4.DB.15aParamontroseiteV4+O2
4.DB.15aRamsdelliteMn4+O2
4.DB.20Scrutinyiteα-PbO2
4.DB.25IshikawaiteU4+Fe2+Nb2O8
4.DB.25Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
4.DB.25Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
4.DB.25SrilankiteZrTi2O6
4.DB.25Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8
4.DB.25Calciosamarskite(Ca,Fe3+,Y)2(Nb,Ta,Ti)2O8
4.DB.25Samarskite-(Yb)(Yb,Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
4.DB.30FerberiteFeWO4
4.DB.30HübneriteMnWO4
4.DB.30Sanmartinite(Zn,Fe)WO4
4.DB.30KrasnoselskiteCoWO4
4.DB.30HeftetjerniteScTaO4
4.DB.30HuanzalaiteMgWO4
4.DB.35Columbite-(Fe)FeNb2O6
4.DB.35Tantalite-(Fe)FeTa2O6
4.DB.35Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
4.DB.35Tantalite-(Mn)MnTa2O6
4.DB.35Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6
4.DB.35Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10
4.DB.35Magnocolumbite
4.DB.35Tantalite-(Mg)(Mg,Fe2+)(Ta,Nb)2O6
4.DB.40FerrowodginiteFeSnTa2O8
4.DB.40LithiotantiteLi(Ta,Nb)3O8
4.DB.40LithiowodginiteLiTa3O8
4.DB.40WodginiteMn(Sn,Ta)Ta2O8
4.DB.40FerrotitanowodginiteFe2+TiTa2O8
4.DB.40WolframowodginiteMn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.45TivaniteV3+TiO3(OH)
4.DB.50Carmichaelite(Ti,Cr,Fe)[O2-x(OH)x]
4.DB.55AlumotantiteAlTaO4
4.DB.60Biehlite((Sb,As)O)2[MoO4]

Other Names for Titanowodginite

Name in Other Languages:
Simplified Chinese:钛锰钽矿

Other Information

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

References for Titanowodginite

Reference List:
ERCIT, T.S., HAWTHORNE, F.C. & ČERNÝ, P. (1992) The wodginite group. I. Structural crystallography. Canadian Mineralogist 30, 597-611.
ERCIT, T.S., ČERNÝ,, P., HAWTHORNE, F.C. & MCCAMMON, C.A. (1992): The wodginite group. II. Crystal chemistry. Canadian Mineralogist 30, 613-631.
ERCIT, T.S., ČERNÝ, P. & HAWTHORNE, F.C. (1992): The wodginite group. III. Classification and new species. Canadian Mineralogist 30, 633-638.

Internet Links for Titanowodginite

Specimens:
The following Titanowodginite specimens are currently listed for sale on minfind.com.

Localities for Titanowodginite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Argentina
 
  • San Luis
    • Chacabuco Department
      • Sierra de la Estranzuela
Galliski M A, Černý P, Márquez-Zavalía M F, Chapman R (1999) Ferrotitanowodginite, Fe2+TiTa2O8, a new mineral of the wodginite group from the San Elías pegmatite, San Luis, Argentina. American Mineralogist 84, 773-777
Canada (TL)
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
ERCIT, T.S., HAWTHORNE, F.C. & ČERNÝ, P. (1992) The wodginite group. I. Structural crystallography. Canadian Mineralogist 30, 597-611. ERCIT, T.S., ČERNÝ,, P., HAWTHORNE, F.C. & MCCAMMON, C.A. (1992): The wodginite group. II. Crystal chemistry. Canadian Mineralogist 30, 613-631. ERCIT, T.S., ČERNÝ, P. & HAWTHORNE, F.C. (1992): The wodginite group. III. Classification and new species. Canadian Mineralogist 30, 633-638.
  • Ontario
    • Kenora District
      • Paterson Lake Area
Tindle, A.G. & Breaks, F.W. (1998) Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario. Canadian Mineralogist, 36, 609-635.
Can. Min. 36, 609; Tindle, A.G., Breaks, F.W., and Selway, J.B. (2002) Tourmaline in petalite-subtype gramitic pegmatites: evidence of fractionation and contamination from Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada. Canadian Mineralogist, 40, 753-788.
China
 
  • Jiangxi Province
    • Yichun Prefecture
      • Yuanzhou District
        • Yichun complex (Yashan batholith)
Xiaolong Huang, Rucheng Wang, Changshi Liu, Xiaomin Chen, Wenlan Zhang, and Mingyuan Lai (2000): Acta Mineralogica Sinica 20(1), 22-27
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
Orlandi et al., 1990. Nb-Ta oxides from Elba Island pegmatites. Atti Soc. Tosc. Sci. Nat., Mem., Serie A, 97: 161-173
P. Orlandi, M. Pasero, N. Perchiazzi (1990) - Nb-Ta oxides from Elba Island pegmatites. - Atti Soc. Tosc. Sc. Nat., Mem. serie A, v.97: 161-173.
Orlandi, P., & Pezzotta, F. (1997). Minerali dell'Isola d'Elba. Edizioni Novecento Grafico, Bergamo, 249 pp.
Mineral and/or Locality  
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