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Wolframite from
Ririwai Mines, Kano, Nigeria

Locality type:Mine
Classification
Species:'Wolframite' (not an IMA approved species)
Formula:(Fe2+)WO4 to (Mn2+)WO4
Confirmation
Validity:Believed Valid
References
References:http://www.smenet.org/opaque-ore/ix_d17_1.htm; J.A. Kinnaird, P. Bowden, R.A. Ixer, N.W.A. Odling, Mineralogy, geochemistry and mineralization of the Ririwai complex, northern Nigeria, Journal of African Earth Sciences (1983), Volume 3, Issues 1–2, 1985, Pages 185-222; Imeokparia, E. G. (1983). Lithogeochemical dispersion associated with Ririwai zinc-tin lode, Northern Nigeria. Journal of Geochemical Exploration, 19(1-3), 643-661.
Data
Mineral Data:Click here to view Wolframite data
Locality Data:Click here to view Ririwai Mines, Kano, Nigeria
Mineral and/or Locality  
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