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Columbite-(Fe)-Columbite-(Mn) Series from
Piano del Lavonchio (Piano dei Lavonchi), Rio Vasca, Craveggia, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

Classification
Species:'Columbite-(Fe)-Columbite-(Mn) Series' (not an IMA approved species)
Confirmation
Validity:Believed Valid
References
References:Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
Data
Mineral Data:Click here to view Columbite-(Fe)-Columbite-(Mn) Series data
Locality Data:Click here to view Piano del Lavonchio (Piano dei Lavonchi), Rio Vasca, Craveggia, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Columbite-(Fe)-Columbite-(Mn) Series
12.7km (7.9 miles) Rio Graia, Trontano, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
22.9km (14.2 miles) I Mondei (Ca' Mondei), Montescheno, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
62.9km (39.1 miles) Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
64.5km (40.1 miles) Garzelli Valley, Bodengo Valley, Valchiavenna, Sondrio Province, Lombardy, Italy
65.9km (40.9 miles) Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy
87.5km (54.4 miles) Drögh dal Frachic, Stampa, Bregaglia Valley (Bergell), Grisons, Switzerland
 
Mineral and/or Locality  
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