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Wolframoixiolite

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Cínovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústí Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic




Formula:
(Nb,W,Ta,Fe,Mn,Nb)
 
2
O
 
4
System:MonoclinicColour:Black
Lustre:Hardness:5 - 6
A variety of Ixiolite

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

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


Classification of Wolframoixiolite

Strunz 8th edition ID:4/D.16-40

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

Colour:Black
Streak:Brownish black
Hardness (Mohs):5 - 6

Crystallography of Wolframoixiolite

Crystal System:Monoclinic

Chemical Properties of Wolframoixiolite

Formula:
(Nb,W,Ta,Fe,Mn,Nb)
 
2
O
 
4
Essential elements:Fe, Nb, O
All elements listed in formula:Fe, Mn, Nb, O, Ta, W

Relationship of Wolframoixiolite to other Species

Related Minerals - Strunz Grouping):

- +
4/D.16-10Hübnerite
MnWO
 
4
4/D.16-20Ferberite
FeWO
 
4
4/D.16-30Sanmartinite
(Zn,Fe)WO
 
4

Other Names for Wolframoixiolite

Synonyms:
WolframixioliteWolframo-ixiolite
Other Languages:
German:Wolframoixiolit
Spanish:Wolframoixiolita

Other Information

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

References for Wolframoixiolite

Reference List:

- +
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 98: 63-73.


http://www.minersoc.org/pages/Archive-MM/Volume_39/39-308-ii.pdf

Internet Links for Wolframoixiolite

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    • Localities for Wolframoixiolite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    Algeria
     
    • Tamanghasset Province
      • Ahaggar Mts (Hoggar Mts)
    Austria
     
    • Lower Austria
      • Waldviertel
        • Weinzierl am Walde
    		Carinthia II, 193./113 (2003) 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.
    		Wen-Lan Zhang, Ren-Min Hua, and Ru-Cheng Wang (2003): Mineral Deposits [Kuangchuang Dizhi] 22(2), 158-165.
    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
    		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
    		Novák, M.: Niobový a tantalový rutil – hojné variety rutilu. Minerál, 2004, roč. 12, č. 6, s. 428-431.
    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
    		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
      • Saha Republic (Sakha 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
     
    • Pathum Thani Province (Prathum Thani Province)
    		Eur. J. Mineral. , 1993, 5, pp. 721-736.
    USA
     
    • Wisconsin
      • Marathon Co.
    		Rocks & Min. (2007) 82:233
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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