Niobium-bearing Rutile

(Ti,Nb)O2
Also known as
  • Nb-Rutile
  • Niobian Rutile
Variety of
Rutile
RutileTiO2

Where it forms, where it's found

85recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
41NbNiobiumNiobium192.90692.906
53.77%
22TiTitaniumTitanium147.86747.867
27.71%
8OOxygenOxygen215.99931.998
18.52%
Total172.771100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Nb-Rutile
  • Niobian Rutile

Literature, links & citation

Citations
  1. Černy, P., Paul, B.J., Hawthorne, F.C., Chapman, R. (1981) A niobian rutile-disordered columbite intergrowth from the Huron Claim pegmatite, southeastern Manitoba. Canadian Mineralogist 19, 541-548.
  2. 1995Foord, Eugene E., Lichte, Frederick E., Chirnside, William, Esposito, Kenneth J., Davis, Andrew M. (1995) A New U-Ti-Ca-HREE Hydrated Oxide and Associated Niobian Rutile from Topaz Valley, Utah, in March - April 1995. The Mineralogical Record, 26 (2) 122-128
  3. 1999Černý, Petr, Chapman, Ron, Simmons, William B., Chackowsky, Leonard E. (1999) Niobian rutile from the McGuire granitic pegmatite, Park County, Colorado; solid solution, exsolution, and oxidation. American Mineralogist, 84 (5) 754-763 doi:10.2138/am-1999-5-607DOI: 10.2138/am-1999-5-607
  4. 2000Cerny, P., Chapman, R., Masau, M. (2000) Two-stage exsolution of a titanian (Sc,Fe3+)(Nb,Ta)O4 phase in niobian rutile from southern Norway. The Canadian Mineralogist, 38 (4) 907-913 doi:10.2113/gscanmin.38.4.907 DOI: 10.2113/gscanmin.38.4.907
  5. 2004Klementova, M., Rieder, M. (2004) EXSOLUTION IN NIOBIAN RUTILE FROM THE PEGMATITE DEPOSIT AT GREENBUSHES, AUSTRALIA. The Canadian Mineralogist, 42 (6) 1859-1870 doi:10.2113/gscanmin.42.6.1859 DOI: 10.2113/gscanmin.42.6.1859
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Niobium-bearing Rutile — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/niobium-bearing-rutile-10653},
  note      = {Accessed 2026-05-11}
}