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Wolframite from
Toyoha mine, Minami-ku, Sapporo, Hokkaidō, Japan

Locality type:Mine
Classification
Species:'Wolframite' (not an IMA approved species)
Formula:(Fe2+)WO4 to (Mn2+)WO4
Confirmation
Validity:Believed Valid
References
References:Kase, K. (1987). Tin-bearing chalcopyrite from the Izumo vein, Toyoha mine, Hokkaido, Japan. Canadian Mineralogist, 25, 9-13.; 矢島淳吉, & 太田英順. (1979). Two-stage mineralization and formation process of the Toyoha deposits, Hokkaido, Japan. 鉱山地質, 29(157), 291-306.; Eijun Ohta (1991) Polymetallic Mineralization at the Toyoha Mine, Hokkaido, Japan. Mining Geology 41:279-295
Data
Mineral Data:Click here to view Wolframite data
Locality Data:Click here to view Toyoha mine, Minami-ku, Sapporo, Hokkaidō, Japan
Mineral and/or Locality  
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