List of elements
 » Argon
 » Boron
 » Gold
 » Iron
 » Lead
 » Neon
 » Radon
 » Tin
 » Xenon
 » Zinc
mineralogy elements Nb Niobium

Nb - Niobium - TRANSITION METAL

2468°
4927°
92.90637
-1
2
3
4
5
41
Nb
[Kr] 4d4 5s1
2
8
18
12
1
1.6
6.7589
Synthetic
Radioactive
Liquid
Gaseous
Niobium Electronic configuration diagram
Electronic configuration diagram

Name Niobium
Number 41
Atomic 92.90637
Symbol Nb
Fusion 2468
Boiling 4927
Density 8.57
Period 5
Group 5
Discovery 1801 Hatchett
Abundance 20
Radius 2.1
Electronegativity 1.6
Ionization 6.7589
Number of isotopes 24
Electronic configuration [Kr] 4d4 5s1
Oxidation states -1,2,3,4,5
Electron by energy level 2,8,18,12,1

Mineral Hardness Density Formula
(Fe2+,Mn)(Ti,Fe3+,Ta)(Nb,Ta)2O8
5.00 / 6.00 5.19 (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
5.00 / 6.00 4.60 Nd(Ti,Nb)2(O,OH)6
5.00 / 6.00 4.85 (Y,Ca,Th)(Ti,Nb)2(O,OH)6
5.00 / 6.00 2.76 Na19(Ca,Mn2+)6(Ti,Nb)3Si26O74Cl·2H2O
5.00 / 5.00 2.90 NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O
5.00 / 5.00 3.02 Na12(K,Sr,Ce)3Ca6Mn3Zr3NbSi25O73(O,H2O,OH)5
3.00 / 4.00 4.07 12(Fe3+,Fe2+)3Nb4[Th(Nb,Fe3+)12O42](H2O,OH)12
6.00 / 6.00 4.42 Ba4(Ti,Nb,W)8O16(SiO3)4Cl
4.50 / 5.00 5.68 (Ba, )2Ta2(O,OH)7
4.50 / 5.00 4.00 Ba2Nb2O7
2.00 / 3.00 3.62 Na3(BaK)Ti3(Si2O7)2O2(OH)2
7.00 / 7.00 4.62 BaTi6(V,Cr)8Si2O29
7.00 / 7.50 7.81 TaBO4
6.00 / 7.00 4.16 Ba3Nb6(Si2O7)2O12
2.00 / 3.00 2.32 Ca1-2(Ti,Zr,Nb)5O12·9H2O
5.00 / 5.00 6.33 Sb3+5Nb3WO18
5.50 / 5.50 7.56 BiNbO4
5.00 / 5.00 6.83 (Bi,Ca)2Ta2(O,OH)7
5.00 / 5.00 4.97 (Bi,U,Ca,Pb)1+xNb2O6(OH)·nH2O
5.00 / 5.00 8.51 BiTaO4
4.00 / 4.00 3.79 Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2
5.50 / 5.50 3.16 (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O
3.50 / 4.00 3.47 Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F
2.73 (Na,K)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8·12H2O
3.00 / 3.00 2.98 (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2O2Si4O14(H2O,F,OH)2·3.5H2O
4.50 / 5.00 4.25 Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4(PO4,SiO4)4(BO3)9O22[(OH),F]43·1.5H2O
4.50 / 5.50 4.20 (Ca,Na)2(Nb,Ti)2(O,OH)7
2.85 (Na)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4
6.50 / 6.50 4.48 (Ca,Fe,Y)(Nb,Ta,Ti)O4
6.50 / 6.50 7.46 CaTa4O11
5.00 / 5.00 3.14 (Na)12(Na,Ce)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O
4.00 (UO2)2Nb2O6(OH)2·2H2O
5.00 / 5.50 4.13 (Ca,Ce,Y,Na)2Nb2(O,OH,F)7
7.00 / 7.00 6.00 Cs2Pb3Ta8O24
5.50 / 5.50 6.48 PbNb2O6
CaNb4O10(OH)2·8H2O
3.00 / 3.00 2.40 Ca4(Ti,Nb)5(Si6O17)2(OH,O)5·13-14H2O
6.00 / 6.00 5.30 Fe2+Nb2O6
6.50 / 6.50 5.04 MgNb2O6
6.00 / 6.00 5.28 Mn2+Nb2O6
6.00 / 6.00 4.83 (Ce3+,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2Si4O22
5.00 / 5.00 3.68 Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2O
3.00 / 4.00 3.03 Ca6Zr(Si2O7)2(OH)4
5.00 / 5.00 2.84 Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9
2.00 / 2.50 4.99 FeNb3S6
1.00 / 1.00 3.63 (Nb,Mo,W)S2·(Mg1-xAlx)(OH)2+x
1.00 / 1.50 2.65 Na4TiNb2(Si2O7)2O2(OH)2·4H2O
6.50 / 6.50 4.70 (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
5.00 / 5.00 2.85 (Ca,K,Na,Sr,Ba)48(Ti,Nb,Fe,Mn)12(OH)12Si48O144(OH,F,Cl)14
4.00 / 4.50 2.82 Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2
5.50 / 5.50 2.87 Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5
5.50 / 6.50 5.48 CeNbO4·0.3H2O
5.50 / 6.50 CeNbO4
5.50 / 6.50 4.50 NdNbO4
5.50 / 6.50 NdNbO4
5.50 / 6.00 4.30 YNbO4
5.50 / 6.50 YNbO4
5.00 / 6.00 3.06 Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2
5.50 / 5.50 3.44 Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3
4.00 / 4.50 4.69 (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
(Ca,Na)2(Nb,Ti)2O6F
4.00 / 4.50 5.28 (Na,Pb,Ca,REE,U)2Nb2O6F
6.00 / 6.00 6.73 Sn2+Nb2O6
4.00 / 4.00 2.72 NaNb2O5(OH)·3H2O
5.00 / 5.00 3.05 Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2·H2O
2.00 / 2.00 2.52 Mn2+(Ti,Nb)5O12·9H2O
5.00 / 5.00 2.79 K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O
5.00 / 5.00 2.82 K2Fe(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O
5.00 / 5.00 2.93 K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O
5.00 / 5.00 2.71 (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O
5.50 / 5.50 2.89 Na10Ca9Zr3Fe2SiNb(Si3O9)2(Si9O27)2(OH)3(CO3)·H2O
6.00 / 6.00 4.66 (Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38
5.00 / 5.00 2.83 CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5H2O
3.00 / 4.00 2.28 (Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8·5H2O
4.00 / 4.00 2.85 CaNb4O11·8H2O
3.00 / 4.00 3.15 (H3O,K)2CaFe2+5-6Ti2Si8O26(OH)4F
4.00 / 4.50 (H2O)2Nb2(O,OH)6(H2O)
5.00 / 6.00 5.15 (Ca,Na,U)2(Nb,Ti)2O6(OH)
5.40 (Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
5.00 / 5.00 2.82 (Na,H3O)15(Ca,Mn,REE)6Fe3+2Zr3Si24O66(O,OH)6Cl·nH2O
4.00 / 4.00 3.60 (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6O6(Si12O36)(Si9O18)(O,OH)24
Ca2Mn2Nb6O19·20H2O
3.00 / 4.00 2.42 Na6Mn(Ti,Nb)Si10(O,OH)28·4H2O
7.00 / 7.00 7.03 Na2Ta4O11
5.00 / 6.00 6.20 (U,Fe,Y)NbO4
5.50 / 5.50 4.72 NaNbO3
6.00 / 6.00 7.10 YTaO4
6.00 / 6.50 6.94 (Ta,Mn,Nb)O2
5.00 / 5.00 3.60 (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2
7.00 / 7.00 8.60 Fe7Ta3
4.50 / 5.00 3.61 NaBaFe2+4Ti2(Si2O7)2O2(OH)2F
5.00 / 5.50 3.62 NaBa2Fe2+Ti2Ce2(SiO3)8O2(OH)·H2O
5.00 / 6.00 3.20 Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2
4.00 / 4.00 3.40 K(Mn2+,Fe3+)2(Nb,Ta)O2(PO4)2·2(H2O,OH)
2.00 / 2.00 2.89 CeTiAlSi2O7(OH)4·3H2O
5.00 / 5.00 2.71 (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·7H2O
1.00 / 1.00 3.83 (Mo,Nb)S2·(Mg1-xAlx)(OH)2+x
3.00 / 3.00 2.93 BaNa3Ti2Nb(Si2O7)2O2(OH)2·4H2O