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About AlumotungstiteHide

Crystal System:
For its aluminium content and by analogy to ferritungstite.
Previously considered to be a species, but now understood to be an aluminium-rich variety of hydrokenoelsmoreite.

Classification of AlumotungstiteHide

Approval History:
Approved IMA 1971.
Discredited (Atencio et al. 2013, 2012 IMA Report)

7 : Oxides and Hydroxides
15 : Oxides of Mo and W

Pronounciation of AlumotungstiteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of AlumotungstiteHide

Transparent, Translucent

Optical Data of AlumotungstiteHide

commonly weakly anisotropic; n = 1.935, birefringence 0.02

Chemical Properties of AlumotungstiteHide


Crystallography of AlumotungstiteHide

Crystal System:
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Cell Parameters:
a = 10.2 Å
Unit Cell V:
1,061.21 ų (Calculated from Unit Cell)
As octahedra, to 250 μm, may be flattened with a hexagonal outline, and as rounded groups of octahedra; zoned with a separable outer shell. In microcrystalline patches; intimately intergrown with yttrotungstite or ferritungstite.
interpenetrant octahedra may represent twins on {111}

Synonyms of AlumotungstiteHide

Other Language Names for AlumotungstiteHide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.15.2MolybditeMoO3Orth. mmm (2/m 2/m 2/m) : Pbcm
7.15.3SidwilliteMoO3 · 2H2OMon.
7.15.4IlsemanniteMo3O8 · nH2O
7.15.5TungstiteWO3 · H2OOrth.
7.15.6HydrotungstiteWO3 · 2H2OMon.
7.15.7MeymaciteWO3 · 2H2OAmor.
7.15.9JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m

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 AlumotungstiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Davis, R.J. and Smith, G.W. (1971) Yttrotungstite. Mineralogical Magazine: 38: 261-285.
Davis, R.J., Francis, J.G., and Reed, S.J.B. (1977) in: M. Fleischer. US Geol. Surv. Open-File Report 81-1169.
Sahama, T.G. (1981) The secondary tungsten minerals, a review. Mineralogical Record: 12: 81-87.
Anthony, J.W. et al. (1997) Handbook of Mineralogy, Vol. 3, 11.
Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., and Kartashov, P.M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist: 48: 673-698.
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.

Internet Links for AlumotungstiteHide

Localities for AlumotungstiteHide

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.
  • Perak
    • Kinta District
      • Kramat Pulai
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
  • Kigali City Province
    • Kigali
Dewaele, S., De Clercq, F., Hulsbosch, N., Piessens, K., Boyce, A., Burgess, R., & Muchez, P. (2016). Genesis of the vein-type tungsten mineralization at Nyakabingo (Rwanda) in the Karagwe–Ankole belt, Central Africa. Mineralium Deposita, 51(2), 283-307.
  • Northern Province
    • Cyeru Commune
      • Gifurwe sector
J. W. Anthony et al.: "Handbook of Mineralogy", Vol.3 (1997), 11
  • Western Region
    • Kigezi District
J. W. Anthony et al.: "Handbook of Mineralogy", Vol.3 (1997), 11
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
  • England
    • Devon
      • Plymouth
        • Plympton
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague); Steve Rust, Richard de Nul, and Gunnar Färber specimens.
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