Niobium (Nb) Minerals sorted by Descending Weight Percent
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% Nb | Mineral Name | Chemical Formula | MW |
8.94 % Nb | Uranopolycrase | (U,Y)(Ti,Nb,Ta)2O6 | 415.77 |
8.87 % Nb | Kuzmenkoite-Zn ! | K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8(H2O) | 1,214.76 |
8.83 % Nb | Yttrotantalite-(Y) # | (Y,U,Fe++)(Ta,Nb)O4 | 315.74 |
8.77 % Nb | Niobokupletskite ! | K2Na(Mn,Zn,Fe)7(Nb,Zr,Ti)2Si8O26(OH)4(O,F) | 1,377.37 |
8.73 % Nb | Plumbobetafite | (Pb,U,Ca)(Ti,Nb)2O6(OH,F) | 425.90 |
8.69 % Nb | Alsakharovite-Zn ! | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7(H2O) | 1,240.78 |
8.45 % Nb | Aeschynite-(Y) | (Y,Ca,Fe)(Ti,Nb)2(O,OH)6 | 274.97 |
8.43 % Nb | Natrobistantite | (Na,Cs)Bi(Ta,Nb,Sb)4O12 | 1,101.75 |
8.28 % Nb | IMA2008-024 ! | (Ca,Na,REE,[ ])7(Nb,Ti)[Si2O7]2OF3 | 841.27 |
8.22 % Nb | Baotite | Ba4(Ti,Nb)8Si4O28Cl | 1,582.82 |
8.13 % Nb | Paratsepinite-Ba ! | (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4(H2O) | 628.25 |
8.13 % Nb | Paratsepinite-Na ! | (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8·n(H2O) n ~ 8 | 2,286.52 |
8.03 % Nb | Korobitsynite ! | Na3(Ti,Nb)2[Si4O12](OH,O)2·3-4(H2O) | 578.44 |
7.96 % Nb | Titanowodginite | (Mn++,Fe++)(Ti,Sn)(Ta,Nb)2O8 | 583.43 |
7.92 % Nb | Struverite ? | (Ti,Ta,Fe+++)O2 | 117.38 |
7.83 % Nb | Nacareniobsite-(Ce) | NbNa3Ca3(Ce,La)(Si2O7)2OF3 | 830.67 |
7.73 % Nb | Tanteuxenite-(Y) # | (Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6 | 480.83 |
7.68 % Nb | Shcherbakovite # | KKNaTi2O(OH)[Si4O12] | 568.26 |
7.60 % Nb | Aeschynite-(Ce) # | (Ce,Ca,Fe)(Ti,Nb)2(O,OH)6 | 305.70 |
7.47 % Nb | Ilimaussite-(Ce) | (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6[Si12O36][Si9O18(O,OH)24]O6 | 4,253.30 |
7.44 % Nb | Lepkhenelmite-Zn ! | Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4·7(H2O) | 1,261.08 |
7.44 % Nb | Bykovaite ! | BaNa{(Na,Ti)4[(Ti,Nb)2(OH,O)3Si4O14](OH,F)2}·3H2O | 824.26 |
7.23 % Nb | Normandite ! | NaCa(Mn++,Fe++)(Ti,Nb,Zr)Si2O7(O,F)2 | 385.62 |
7.16 % Nb | Bornemanite | BaNa3{(Na,Ti)4[(Ti,Nb)2O2Si4O14](F,OH)2}·PO4 | 908.83 |
7.10 % Nb | IMA2000-026 ! | (Mn,Li)4(Ta,Sn)4(Ta,Nb)8O32 | 2,616.79 |
7.07 % Nb | Nechelyustovite ! | (Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}·4.5H2O | 880.23 |
6.97 % Nb | Murataite | (Y,Na)6(Zn,Fe+++)5(Ti,Nb)12O29(O,F)14 | 2,000.60 |
6.70 % Nb | Aeschynite-(Nd) | (Nd,Ce)(Ti,Nb)2(O,OH)6 | 346.61 |
6.55 % Nb | Jedwabite ! | Fe7(Ta,Nb)3 | 708.80 |
6.55 % Nb | Joaquinite-(Ce) # | NaFe++Ba2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F)·(H2O) | 1,419.19 |
6.40 % Nb | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe+++)(Si,P)2O7(OH)4·3(H2O) (?) | 450.31 |
6.27 % Nb | Tsepinite-Ca ! | (Ca,K,Na,[ ])2(Ti,Nb)2(Si4O12)(OH,O)2·4(H2O) | 1,200.24 |
5.85 % Nb | Wodginite | Mn++(Sn,Ta)(Ta,Nb)2O8 | 635.06 |
5.83 % Nb | Stannomicrolite | (Sn++,Fe++,Mn++)(Ta,Nb,Sn++++)2(O,OH)7 | 637.44 |
5.80 % Nb | Ixiolite # | (Ta,Nb,Sn,Mn++,Fe++)O2 | 160.21 |
5.77 % Nb | Tapiolite-(Mn) | (Mn++,Fe++)(Ta,Nb)2O6 | 482.71 |
5.71 % Nb | Simpsonite # | Al4(Ta,Nb)3O13(OH) | 813.65 |
5.15 % Nb | Irtyshite | Na2(Ta,Nb)4O11 | 901.74 |
4.99 % Nb | Tsepinite-K ! | (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2·3(H2O) | 614.51 |
4.95 % Nb | Murmanite # | (Na,[ ])2{(Na,Ti)4[Ti2(O,H2O)4Si4O14](OH,F)2}·2H2O | 750.89 |
4.72 % Nb | Bismutomicrolite | (Bi,Ca)(Ta,Nb)2O6(OH) | 589.91 |
4.56 % Nb | Eveslogite ! | (Ca,K,Na,Sr,Ba)48[(Ti,Nb,Fe,Mn)12(OH)12Si48O144](F,OH,Cl)14 | 6,800.28 |
4.38 % Nb | Scheteligite ? | (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) | 424.56 |
4.26 % Nb | Bismutotantalite # | Bi(Ta,Nb)O4 | 436.32 |
4.00 % Nb | Haineaultite ! | (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O) | 1,557.11 |
3.75 % Nb | Tapiolite * | (Fe,Mn)(Ta,Nb)2O6 | 495.95 |
3.75 % Nb | Tundrite-(Nd) | Na3(Nd,La)4(Ti,Nb)2(SiO4)2(CO3)3O4(OH)·2(H2O) | 1,240.10 |
3.72 % Nb | Zimbabweite | Na(Pb,Na,K)2(Ta,Nb,Ti)4As+++4O18 | 1,498.05 |
3.72 % Nb | Tantalaeschynite-(Y) | (Y,Ce,Ca)(Ta,Ti,Nb)2O6 | 499.75 |
3.67 % Nb | Bariomicrolite | Ba(Ta,Nb)2(O,OH)7 | 506.31 |
3.60 % Nb | Janhaugite | (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3 | 773.35 |
3.47 % Nb | Kupletskite # | K2Na(Mn,Fe++)7(Ti,Nb)2Si8O26(OH)4F | 1,337.34 |
3.39 % Nb | Kuzmenkoite-Mn ! | (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O) | 1,095.05 |
3.37 % Nb | Sobolevite | Na11(Na,Ca)4(Mg,Mn)Ti++++4(Si4O12)(PO4)4O5F3 | 1,378.43 |
3.36 % Nb | Gutkovaite-Mn ! | CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O) | 1,243.09 |
3.21 % Nb | Alluaivite | Na19(Ca,Mn++)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl·2(H2O) | 2,169.25 |
3.19 % Nb | Taseqite ! | Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 | 3,403.45 |
3.19 % Nb | Kupletskite-(Cs) | (Cs,K)2Na(Mn,Fe++,Li)7(Ti,Nb)2Si8O26(OH)4F | 1,455.85 |
3.06 % Nb | Hydroastrophyllite | (H3O,K)2Ca(Fe+++,Mn)5-6Ti2Si8O26(OH)4F | 1,213.30 |
3.05 % Nb | Mosandrite # | Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 | 913.39 |
3.02 % Nb | Maoniupingite-(Ce) ! | (REE,Ca)4(Fe+++,Ti,Fe++,[ ])(Ti,Fe+++,Fe++,Nb)4Si4O22 | 1,228.90 |
2.97 % Nb | Oneillite ! | Na15Ca3Mn3Fe++3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 | 3,128.56 |
2.96 % Nb | Polyakovite-(Ce) ! | (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 | 1,255.42 |
2.83 % Nb | Rinkite ! | Na(Na,Ca)2(Ca,Ce)4(Ti,Nb)(Si2O7)2(O,F)2 | 820.37 |
2.81 % Nb | Zirsilite-(Ce) ! | (Na,[ ])12(Ce, Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O | 3,310.41 |
2.73 % Nb | Labuntsovite-Mg ! | Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8·10(H2O) | 2,384.94 |
2.67 % Nb | Uranmicrolite # | (U,Ca)2(Ta,Nb)2O6(OH) | 695.81 |
2.62 % Nb | Carbokentbrooksite ! | (Na,[ ])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O | 3,121.55 |
2.59 % Nb | Georgbarsanovite ! | Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O | 3,297.19 |
2.58 % Nb | Chivruaiite ! | Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]·13-14H2O | 1,585.23 |
2.55 % Nb | Zirconolite | (Ca,Ce)Zr(Ti,Nb,Fe+++)2O7 | 363.87 |
2.48 % Nb | Lavenite # | (Na,Ca)2(Mn,Fe++)(Zr,Ti,Nb)Si2O7(O,OH,F) | 374.22 |
2.41 % Nb | Yuksporite # | (Sr,Ba)2K4(Ca,Na)14([ ],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n, n~3 | 2,546.97 |
2.38 % Nb | Kentbrooksite ! | (Na,REE)15(Ca,REE)6Mn++Zr3NbSi25O74F2·2(H2O) | 3,900.86 |
2.25 % Nb | Cesplumtantite | (Cs,Na,Ca)2(Pb,Sb+++,Sn)3Ta8O24 | 2,479.94 |
1.96 % Nb | Zircophyllite | K2(Na,Ca)(Mn,Fe++)7(Zr,Nb)2Si8O26(OH)4F | 1,423.34 |
1.95 % Nb | Orthojoaquinite-(La) ! | Ba2Na(La,Ce)2Fe++Ti2Si8O26(OH,O,F)·H2O | 1,429.39 |
1.91 % Nb | Golyshevite ! | (Na,Ca)10Ca9(Fe+++,Fe++)2Zr3NbSi25O72(CO3)(OH)3·H2O | 2,925.34 |
1.85 % Nb | Sosedkoite | (K,Na)5Al2(Ta,Nb)22O60 | 5,030.82 |
1.84 % Nb | Ferrokentbrooksite ! | Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 | 3,231.96 |
1.70 % Nb | Nalivkinite ! | Li2NaFe++7Ti2Si8O24(OH)4F | 1,309.53 |
1.68 % Nb | Feklichevite ! | Na11Ca9(Fe+++,Fe++)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 | 3,038.68 |
1.65 % Nb | Tundrite-(Ce) | Na2Ce2TiO2(SiO4)(CO3)2 | 614.89 |
1.60 % Nb | Cesstibtantite | (Cs,Na)SbTa4O12 | 579.81 |
1.50 % Nb | Surkhobite ! | KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8 | 3,523.22 |
1.36 % Nb | Kochite ! | Na2(Na,Ca)4Ca4(Mn,Ca)2Zr2Ti2(Si2O7)4(O,F)4F4 | 1,505.08 |
1.36 % Nb | Dualite ! | Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 | 5,953.87 |
1.21 % Nb | Mogovidite ! | Na9(Ca,Na)6Ca6Fe2Zr3[ ]Si25O72(CO3)(OH)4 | 3,066.24 |
1.10 % Nb | Diversilite-(Ce) ! | Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9 | 2,272.68 |
1.05 % Nb | Perraultite | (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6 | 1,766.01 |
0.95 % Nb | Vinogradovite # | (Na,K)4Ti4(Si,Al)8O26·3(H2O,Na) | 976.77 |
0.93 % Nb | Tapiolite-(Fe) # | (Fe++,Mn++)(Ta,Nb)2O6 | 500.02 |
0.90 % Nb | Bobtraillite ! | (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O | 6,318.09 |
0.86 % Nb | Lemoynite | (Na,K)2CaZr2Si10O26·5-6(H2O) | 1,075.15 |
0.84 % Nb | Raslakite ! | Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) | 2,774.01 |
0.83 % Nb | Labuntsovite-Mn ! | Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8·n(H2O), n=10-12 | 2,232.12 |
0.82 % Nb | Natrolemoynite ! | Na4Zr2Si10O26·9(H2O) | 1,128.53 |
0.79 % Nb | Jinshajiangite | Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 | 1,770.72 |
0.77 % Nb | Labuntsovite-Fe ! | Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8·10(H2O) | 2,418.89 |
0.62 % Nb | Voronkovite ! | Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl·H2O | 3,126.11 |
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