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Minerals that include Fe, O, Ta

  • 'Ashanite'
    • (Nb,Ta,U,Fe,Mn)
     
    4
    		O
     
    8
  • Calciosamarskite
    • (Ca,Fe
    3+
     
    		,Y)
     
    2
    		(Nb,Ta,Ti)
     
    2
    		O
     
    8
  • 'Columbite'
    • (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
  • Columbite-(Mg)
    • (Mg,Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
  • Columbite-(Mn)
    • (Mn,Fe)(Nb,Ta)
     
    2
    		O
     
    6
  • Ferrotitanowodginite
    • Fe
    2+
     
    		TiTa
     
    2
    		O
     
    8
  • Ferrowodginite
    • FeSnTa
     
    2
    		O
     
    8
  • 'Hydroxyl-petscheckite'
    • UFe
     
    1/3
    		(Nb,Ta)
     
    2
    		O
     
    7
    		(O,OH)
  • 'Ilmenorutile'
    • Fe
     
    x
    		(Nb,Ta)
     
    2x
    		·4Ti
     
    1-x
    		O
     
    2
  • Ixiolite
    • (Ta,Nb,Sn,Fe,Mn)
     
    4
    		O
     
    8
  • Johnwalkite
    • K(Mn
    2+
     
    		,Fe
    2+
     
    		,Fe
    3+
     
    		)
     
    2
    		(Nb
    5+
     
    		,Ta
    5+
     
    		)[O|PO
     
    4
    		]
     
    2
    		 · 2(H
     
    2
    		O,OH)
  • Koragoite
    • (Mn
    2+
     
    		,Fe
    3+
     
    		)
     
    3
    		(Nb,Ta,Ti)
     
    2
    		(Nb,Mn)
     
    2
    		(W,Ta)
     
    2
    		O
     
    20
  • 'Nioboaeschynite-(Nd)'
    • (Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)
     
    2
    		(O,OH)
     
    6
  • Olmsteadite
    • KFe
    2+
    2
    		(Nb
    5+
     
    		,Ta
    5+
     
    		)[O|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
  • 'Oxy-petscheckite'
    • UFe
     
    2/3
    		(Nb,Ta)
     
    2
    		O
     
    8
  • Petscheckite
    • UFe(Nb,Ta)
     
    2
    		O
     
    8
  • 'Polymignite'
    • (Ca,Fe,Y,Th)(Nb,Ti,Ta,Zr)O
     
    4
  • Qitianlingite
    • (Fe,Mn)
     
    2
    		(Nb,Ta)
     
    2
    		WO
     
    10
  • Samarskite-(Y)
    • (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
  • Samarskite-(Yb)
    • (Yb,Fe
    3+
     
    		)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
  • 'Scandian Ixiolite (of Bergstol)'
    • ~(Ta,Nb,Ti,Sc,Sn,Fe)
     
    4
    		O
     
    8
  • 'Scandian Ixiolite (of von Knorring)'
    • (Nb,Ta,Ti,Sc,Fe,Mn)
     
    4
    		O
     
    8
  • 'Scheteligite'
    • (Ca,Fe,Mn,Sb,Bi,Y)
     
    2
    		(Ti,Ta,Nb,W)
     
    2
    		(O,OH)
     
    7
  • Stannomicrolite
    • (Sn,Fe,Mn)
     
    2
    		(Ta,Nb,Sn)
     
    2
    		(O,OH)
     
    7
  • 'Strüverite'
    • (Ti,Ta,Fe)O
     
    2
  • 'Tantalite'
    • (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
  • Tantalite-(Fe)
    • FeTa
     
    2
    		O
     
    6
  • Tantalite-(Mg)
    • (Mg,Fe
    2+
     
    		)(Ta,Nb)
     
    2
    		O
     
    6
  • 'Tapiolite'
    • (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
  • Tapiolite-(Fe)
    • (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
  • Tapiolite-(Mn)
    • (Mn,Fe)(Ta,Nb)
     
    2
    		O
     
    6
  • 'Wolframoixiolite'
    • (Nb,W,Ta,Fe,Mn,Nb)
     
    2
    		O
     
    4
  • 'Wolframowodginite'
    • Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)
     
    2
    		O
     
    8
  • Yttrotantalite-(Y)
    • (Y,Ca,U
    4+
     
    		,Fe
    2+
     
    		)
     
    2
    		(Ta,Nb)
     
    2
    		O
     
    8

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