Mineralogy Database

Mineral Species containing Niobium (Nb)

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Element Properties, Isotopic Compositions for Niobium

Niobium (Nb) Minerals sorted by Descending Weight Percent

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214 Minerals containing Niobium (Nb) sorted by Descending Weight Percent
% Nb Mineral Name Chemical Formula MW
56.69 % Nb Lueshite NaNbO3 163.89
56.69 % Nb Natroniobite NaNbO3 163.89
55.03 % Nb Columbite-(Fe) # Fe++Nb2O6 337.66
52.51 % Nb Pyrochlore # (Na,Ca)2Nb2O6(OH,F) 353.84
52.07 % Nb Kalipyrochlore (H2O,Sr)(Nb,Ti)(O,OH)6·(H2O,K) 321.15
50.58 % Nb Hochelagaite (Ca,Na,Sr)Nb4O11·8(H2O) 734.68
49.17 % Nb Franconite Na2Nb4O11·9(H2O) 755.74
49.10 % Nb Ternovite ! (Mg,Ca)Nb4O11-n(H2O) where n ~ 10 756.81
48.68 % Nb Bariopyrochlore (Ba,Sr)(Nb,Ti)2(O,OH)7 343.55
47.79 % Nb Columbite-(Mg) (Mg,Fe++,Mn)(Nb,Ta)2O6 330.49
44.22 % Nb Nioboaeschynite-(Ce) (Ce,Ca)(Nb,Ti)2(O,OH)6 367.65
42.81 % Nb Edgarite ! FeNb2S6 434.06
40.40 % Nb Fersmite # (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6 390.96
39.11 % Nb Strontiopyrochlore * Sr2Nb2(O,OH)7 475.06
38.26 % Nb Natrokomarovite * Na6CaNb6[Si4O12F2·4(H2O) 1,359.81
38.00 % Nb Changbaiite PbNb2O6 489.01
37.80 % Nb Fergusonite-(Y) # YNbO4 245.81
37.80 % Nb Fergusonite-beta-(Y) YNbO4 245.81
37.11 % Nb Mongolite Ca4Nb6Si5O24(OH)10·5(H2O) 1,502.31
34.62 % Nb Nioboaeschynite-(Nd) ! (Nd,Ce)(Nb,Ti)2(O,OH)6 402.50
34.42 % Nb Isolueshite ! (Na,La,Ca)(Nb,Ti)O3 202.42
33.34 % Nb Stibiocolumbite # SbNbO4 278.65
33.26 % Nb Komarovite (Ca,Mn)2(Nb,Ti)2Si2O7(O,F)2·3.5(H2O) 502.73
33.16 % Nb Euxenite-(Y) # (Y,Ca,Ce)(Nb,Ta,Ti)2O6 392.28
32.94 % Nb Columbite-(Mn) # (Mn,Fe++)(Nb,Ta)2O6 394.81
32.83 % Nb Niobocarbide ! (Nb,Ta)C 147.18
31.35 % Nb Foordite Sn++(Nb,Ta)2O6 444.54
31.29 % Nb Fergusonite-(Ce) * (Ce,La,Y)NbO4 296.94
30.86 % Nb Menezesite ! Ba2MgZr4(BaNb12O42)·12H2O 2,778.48
30.37 % Nb Gerasimovskite # (Mn,Ca)(Nb,Ti)5O12·9(H2O) (?) 764.66
30.11 % Nb Latrappite (Ca,Na)(Nb,Ti,Fe)O3 154.29
29.30 % Nb Fergusonite-beta-(Nd) (Nd,Ce)NbO4 285.36
28.97 % Nb Qitianlingite Fe++2Nb2W++++++O10 641.35
28.95 % Nb Fergusonite-beta-(Ce) (Ce,La,Nd)NbO4 288.78
28.27 % Nb Calciobetafite Ca2(Ti,Nb)2(O,OH)7 394.30
27.82 % Nb Fergusonite-(Nd) * (Nd,Ce)(Nb,Ti)O4 267.16
27.31 % Nb Liandratite U++++++(Nb,Ta)2O8 578.25
26.87 % Nb Plumbopyrochlore (Pb,Y,U,Ca)2-xNb2O6(OH) 484.00
26.40 % Nb Belkovite ! Ba3(Nb,Ti)6(Si2O7)2O12 1,407.69
25.89 % Nb Ashanite ? (Nb,Ta,U,Fe,Mn)4O8 574.20
25.56 % Nb Vuoriyarvite-K ! (K,Na)2(Nb,Ti)2Si4O12(O,OH)2·4(H2O) 654.35
24.79 % Nb Samarskite-(Y) # (Y,Fe+++,U)(Nb,Ta)5O4 299.85
24.76 % Nb Bismutopyrochlore ! (Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·n(H2O) 562.81
24.45 % Nb Yttropyrochlore-(Y) (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 455.99
23.69 % Nb Nioboaeschynite-(Y) ! [(Y,REE),Ca,Th,Fe](Nb,Ti,Ta)2(O,OH)6 368.70
23.66 % Nb Ishikawaite # (U,Fe,Y,Ca)(Nb,Ta)O4 (?) 294.45
23.53 % Nb Epistolite # (Na,[ ])2{(Na,Ti)4[Nb2(O,H2O)4Si4O14](OH,F)2}·2H2O 758.20
23.49 % Nb Yttrocolumbite-(Y) # (Y,U,Fe++)(Nb,Ta)O4 296.62
23.01 % Nb Schiavinatoite ! (Nb,Ta)BO4 209.97
22.94 % Nb Wolframoixiolite * (Fe,Mn,Nb)(Nb,W,Ta)O4 242.98
22.46 % Nb Vigezzite (Ca,Ce)(Nb,Ta,Ti)2O6 372.21
22.44 % Nb Gjerdingenite-Fe ! K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]·4(H2O) 1,242.18
22.05 % Nb Gjerdingenite-Mn ! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4·6(H2O) 2,494.47
21.66 % Nb Samarskite-(Yb) ! (Yb,Y,REE,U,Th,Ca,Fe++) (Nb,Ta,Ti)O4 312.29
21.38 % Nb Petscheckite U++++Fe++(Nb,Ta)2O8 651.70
21.16 % Nb Karupmollerite-Ca ! (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·7(H2O) 1,185.70
21.11 % Nb Nenadkevichite ! (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)·2(H2O) 308.14
20.76 % Nb Organovaite-Mn ! K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6(H2O) 2,372.13
20.14 % Nb Betafite # (Ca,U)2(Ti,Nb,Ta)2O6(OH) 415.12
19.50 % Nb Ilmenorutile # (Ti,Nb,Fe+++)O2 95.27
19.21 % Nb Gjerdingenite-Na ! (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O 1,175.50
19.17 % Nb Gjerdingenite-Ca ! K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O 1,216.40
18.88 % Nb Uranpyrochlore (U,Ca,Ce)2(Nb,Ta)2O6(OH,F) 541.23
18.28 % Nb Organovaite-Zn ! K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4·6(H2O) 2,439.14
17.96 % Nb Bismutocolumbite Bi(Nb,Ta)O4 387.89
17.25 % Nb Calciotantite Ca(Ta,Nb)4O11 807.80
17.11 % Nb Shkatulkalite ! {(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}·2(H2O,[ ]) 1,086.02
17.04 % Nb Tantalite-(Mg) ! (Mg,Fe)(Ta,Nb)2O6 425.25
16.91 % Nb Vuonnemite Na11Nb2TiSi4O12(PO4)2O5F2 1,098.85
15.45 % Nb Johnwalkite K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2 480.93
14.99 % Nb Stibiobetafite (Sb+++,Ca)2(Ti,Nb,Ta)2(O,OH)7 433.88
14.95 % Nb Polycrase-(Y) # (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6 372.96
14.93 % Nb Behierite (Ta,Nb)BO4 224.06
14.56 % Nb Kobeite-(Y) # (Y,U)(Ti,Nb)2(O,OH)6 (?) 319.10
14.34 % Nb Tsepinite-Na ! (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2·3(H2O) 2,397.82
14.12 % Nb Sitinakite Na2K(Ti,Nb)4O4(SiO4)2(O,OH)·4(H2O) 658.10
14.01 % Nb Fersmanite # Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 1,061.05
13.31 % Nb Olmsteadite KFe++2(Nb,Ta)(PO4)2O2·2(H2O) 523.68
13.26 % Nb Ceriopyrochlore-(Ce) (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) 560.46
12.80 % Nb Rankamaite (Na,K,Pb,Li)3(Ta,Nb,Al)11(O,OH)30 2,177.26
12.75 % Nb Yttrobetafite-(Y) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) 437.15
12.56 % Nb Neskevaaraite-Fe ! NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6(H2O) 1,235.20
12.30 % Nb Parakuzmenkoite-Fe ! (K,Ba)2Fe(Ti,Nb)4(Si4O12)2(O,OH)4·7(H2O) 2,567.15
12.14 % Nb Zirkelite (Ca,Th,Ce)Zr(Ti,Nb)2O7 382.76
12.09 % Nb Stibiomicrolite # (Sb,Ca,Na)2(Ta,Nb)2(O,OH)7 538.04
12.05 % Nb Zirconolite-3O # (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7 385.57
11.99 % Nb Niobophyllite K2Na(Fe++,Mn)7(Nb,Ti)2Si8O26(OH)4(F,O) 1,394.28
11.96 % Nb Niocalite # Ca14Nb2(Si2O7)4O6F2 1,553.57
11.57 % Nb Iwashiroite-(Y) ! YTaO4 313.16
11.39 % Nb Lithiotantite Li(Ta,Nb)3O8 611.75
11.34 % Nb Marianoite ! Na2Ca4(Nb,Zr)2(Si2O7)2(O,F)4 792.51
11.29 % Nb Loparite-(Ce) # (Ce,Na,Ca)2(Ti,Nb)2O6 164.60
11.19 % Nb Tsepinite-Sr ! (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2·3(H2O) 572.95
10.94 % Nb Ungursaite * NaCa5(Ta,Nb)24O65(OH) 5,094.85
10.64 % Nb Burovaite-Ca ! (K,Na)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8·12H2O 2,235.05
10.27 % Nb Manganbelyankinite # (Mn,Ca)(Ti,Nb)5O12·9(H2O) 723.53
10.23 % Nb Rynersonite Ca(Ta,Nb)2O6 453.95
9.87 % Nb Koragoite (Mn++,Fe+++)3(Nb,Ta,Ti)2(Nb,Mn)2(W,Ta)2O20 1,130.10
9.40 % Nb Wohlerite # NaCa2(Zr,Nb)Si2O7(O,OH,F)2 395.27
9.34 % Nb Lemmleinite-K ! NaK2(Ti,Nb)2Si4O12(O,OH)2·2(H2O) 596.73
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( Bold - Valid Mineral Name)
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(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)