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Tantalite from
Rio Graia, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy

Classification
Species:'Tantalite' (not an IMA approved species)
Formula:(Mn,Fe)(Ta,Nb)2O6
Confirmation
Validity:Believed Valid
References
References:Vittorio Mattioli (1976) - Località mineralogiche consigliate: Rio Graja, Trontano, Valle Vigezzo - in Notiziario del Gruppo Min. Lombardo - Vol. 2, Jun. 1976 pp. 40-42
Data
Mineral Data:Click here to view Tantalite data
Locality Data:Click here to view Rio Graia, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
 
Mineral and/or Locality  
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