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Wolframoixiolite

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Formula:
(Nb,W,Ta,Fe,Mn,Nb)2O4
Colour:
Black
Hardness:
5 - 6
Crystal System:
Monoclinic
A variety of Ixiolite

A tungsten-bearing variety of ixiolite; possibly a separate species.
Compare qitianlingite.

Originally reported from Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia.




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Classification of WolframoixioliteHide

4/D.16-40

4 : Oxides & Hydroxides
D : Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
16 : Wolframite series

Physical Properties of WolframoixioliteHide

Colour:
Black
Streak:
Brownish black
Hardness:
5 - 6 on Mohs scale

Chemical Properties of WolframoixioliteHide

Formula:
(Nb,W,Ta,Fe,Mn,Nb)2O4

Crystallography of WolframoixioliteHide

Crystal System:
Monoclinic

Synonyms of WolframoixioliteHide

Other Language Names for WolframoixioliteHide

Related Minerals - Nickel-Strunz Grouping (8th Edition)Hide

4/D.16-10HübneriteMnWO4Mon. 2/m : P2/b
4/D.16-20FerberiteFeWO4Mon. 2/m : P2/b
4/D.16-30Sanmartinite(Zn,Fe)WO4Mon. 2/m : P21/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.

References for WolframoixioliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 98: 63-73.

Internet Links for WolframoixioliteHide

Localities for WolframoixioliteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Algeria
 
  • Tamanghasset Province
    • Ahaggar Mtn (Hoggar Mtn)
Kesraoui, M., & Nedjari, S. (2002). Contrasting evolution of low-P rare metal granites from two different terranes in the Hoggar area, Algeria. Journal of African Earth Sciences, 34(3), 247-257.; Kesraoui Mokrane; Marignac Christian; Verkaeren Jean, 2000: Late magmatic evolution of rare earth granites; example of the Tin-Amzi Cupola Ahaggar, Algeria. Bulletin du Service Geologique de l'Algerie 11(2): 195-216
Austria
 
  • Lower Austria
    • Waldviertel
      • Weinzierl am Walde
Carinthia II, 193./113 (2003) 195-216.
Brandstätter, F. & Niedermayr, G. (2003): 1331) Wolframoixiolith in Rauchquarz von Maigen, Niederösterreich. P. 203 in Niedermayr, G. et al. (2003): Neue Mineralfunde aus Österreich LII, Carinthia II, 193./113., 195-216.
China
 
  • Hunan Province
    • Chenzhou Prefecture
      • Beihu District
Guangming Yang, Su Wang, Zhizhong Peng, and Jingzhen Bu (1985): Acta Mineralogica Sinica 5(3), 193-198
  • Jiangxi Province
    • Ganzhou Prefecture
      • Quannan Co.
Wenlan Zhang, Renmin Hua, and Rucheng Wang (2003): Mineral Deposits 22(2), 158-165, 120
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Horní Slavkov (Schlaggenwald)
        • Krásno (Schönfeld)
Miloš René und Radek Škoda (2011): Nb-Ta-Ti oxides fractionation in rare-metal granites: Krásno-Horní Slavkov ore district, Czech Republic. Mineralogy and Petrology 103, 37-48.
    • Plzeň Region
      • Sušice (Schüttenhofen)
Černý P., Dostál S., Vítovec J.: Pegmatit z Podmokel u Sušice. Minerál, 2009, 17, 1, 73-76.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Třebíč District
        • Třebíč
Škoda, R., Novák, M., Houzar, S.: Granitické NYF pegmatity třebíčského plutonu. Acta Musei Moraviae, Scientiae geologicae, 2006, roč. 91, s. 129 - 176.
      • Žďár nad Sázavou
        • Dolní Bory
Novák, M.: Niobový a tantalový rutil – hojné variety rutilu. Minerál, 2004, roč. 12, č. 6, 428-431.; Novák, M., Johan, Z., Škoda, R., Černý, P., Šrein, V., & Veselovský, F. (2008). Primary oxide minerals in the system WO3–Nb2O5–TiO2–Fe2O3–FeO and their breakdown products from the pegmatite No. 3 at Dolní Bory-Hatě, Czech Republic. European Journal of Mineralogy, 20(4), 487-499.
      • Žďár nad Sázavou District
        • Křižanov
Novák, M.: Niobový a tantalový rutil – hojné variety rutilu. Minerál, 2004, roč. 12, č. 6, s. 428-431.
Germany & Czech Republic
 
  • Erzgebirge; Krusné Hory Mts (Ore Mts)
Giovanni Scapin collection (XRD, SEM-EDS)
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
          • San Piero in Campo
Can Min (2002) 40 (3), 799-814
Orlandi, P., & Pezzotta, F. (1997). Minerali dell'Isola d'Elba. Edizioni Novecento Grafico, Bergamo, 249 pp.
Madagascar
 
  • Antananarivo Province
    • Vakinankaratra Region
      • Sahatany Pegmatite Field (Mt Ibity area)
        • Sahatany Valley
Pezzotta, F.(2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Norsk Bergverksmuseum Skrift. 35,97-98
Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de doctorat de L'Universite Paul Sabatier, Toulouse
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
Ginzburg A.I. e.a. (1969) Zapiski VMO, v.98, N1, pp. 63-73.(in Rus.).
Slovakia
 
  • Košice Region
    • Rožňava Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
Thailand
 
  • Prachuap Khiri Khan Province
Eur. J. Mineral. , 1993, 5, pp. 721-736.
USA
 
  • Connecticut
    • Middlesex Co.
      • East Hampton (Chatham)
Former Richard Schooner collection
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
        • Nine Mile pluton
Rocks & Min. (2007) 82:233
Mineral and/or Locality  
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