Titanomaghemite

(Ti0.50.5)Fe3+2O4
IMA status
  • Approved
IMA symbol
Tmgh
Also known as
  • Titanomaghemiet

Where it forms, where it's found

Type locality
Pretoria
  1. City of Tshwane Metropolitan Municipality
  2. Gauteng
  3. South Africa

-25.7461°, 28.1881°

7recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Isometric
Space group
#220
Cell parameters
a = 8.348(3) Å
Z
8
Crystal structure

Synonyms

  • Titanomaghemiet

In other languages

German
Titanomaghemit
Italian
titanomaghemite

Classification

Strunz
10th ed.

4.BB.15

  • 4OxidesClass
  • 4.BMetal: Oxygen = 3:4 and similarDivision
  • 4.BBWith only medium-sized cationsGroup
  • 4.BB.15TitanomaghemiteSpecies

Group, growth & confusion

Literature, links & citation

Citations
  1. 1957Vincent, E. A., Wright, J. B., Chevallier, R., Mathieu, Suzanne (1957) Heating experiments on some natural titaniferous magnetites. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (239). 624-655 doi:10.1180/minmag.1957.31.239.03DOI: 10.1180/minmag.1957.31.239.03
  2. 1959Basta, Emil Zaghloul (1959) Some mineralogical relationships in the system Fe2O3-Fe3O4 and the composition of titanomaghemite. Economic Geology, 54 (4). 698-719 doi:10.2113/gsecongeo.54.4.698DOI: 10.2113/gsecongeo.54.4.698
  3. 1960AKIMOTO, Syun-iti, KUSHIRO, Ikuo (1960) Natural Occurrence of Titanomaghemite and Its Relevance to the Unstable Magnetization of Rocks. Journal of geomagnetism and geoelectricity, 11 (3). 94-110 doi:10.5636/jgg.11.94DOI: 10.5636/jgg.11.94
  4. 1961Katsura, T., Kushiro, I. (1961) Titanomaghemite in igneous rocks. American Mineralogist, 46 (1-2) 134-145
  5. 1988Collyer, S., Grimes, N. W., Vaughan, D. J., Longworth, G. (1988) Studies of the crystal structure and crystal chemistry of titanomaghemite. American Mineralogist, 73 (1-2) 153-160
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Titanomaghemite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/titanomaghemite-29152},
  note      = {Accessed 2026-05-11}
}