Where it forms, where it's found
- Type locality
- Allende meteorite
- Pueblito de Allende
- Chihuahua
- Mexico
26.9667°, -105.3167°
Crystallography
- Space group
- C2/c
- Cell parameters
- a = 10.115 Å · b = 5.074 Å · c = 7.182 Å
- Cell angles
- β = 112.0 °
- Ratio a:b:c
- 1 : 0.502 : 0.710
- Z
- 4
- Type-locality form
Occurs as two crystals, 0.3~0.6 μm × 3.6 μm and 0.2 μm × 1.1 μm, within one irregular grain in contact with tistarite and rutile, along with Ti3+-bearing corundum, Ti3+, Al, Zr-oxide, and Ti-bearing xifengite grains in a crack in the Allende matrix
Chemical composition
Synonyms
- IMA2017-078a
- Kaitianiet
In other languages
- German
- IMA 2017-078a · Kaitianit
Classification
4.CB.30
- 4OxidesClass
- 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
- 4.CBWith medium-sized cationsGroup
- 4.CB.30KaitianiteSpecies
Group, growth & confusion
Literature, links & citation
- 1998Onoda, Masashige (1998) Phase Transitions of Ti3O5. Journal of Solid State Chemistry, 136. 67-73 doi:10.1006/jssc.1997.7657DOI: 10.1006/jssc.1997.7657
- 2019Ma, C. (2019) Discovery of Kaitianite, Ti3+2Ti4+O5, in Allende: A New Refractory Mineral from the Solar Nebula. Meteoritics and Planetary Science: 54(S2): 6098.
- 2020Ma, C., Beckett, J.R. (2020) Kaitianite, Ti3+2Ti4+O5 a new titanium oxide mineral from Allende. Meteoritics & Planetary Science: 1-12.
- 2021(2021) Kaitianite. Handbook of Mineralogy. Mineralogical Society of America
- 2023Ma, Chi, Cámara, Fernando, Bindi, Luca, Toledo, Vered, Griffin, William (2023) First Terrestrial Occurrence of Kaitianite (Ti3+2Ti4+O5) from the Upper Mantle beneath Mount Carmel, Israel. Minerals, 13 (8). 1097 doi:10.3390/min13081097DOI: 10.3390/min13081097
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Kaitianite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/kaitianite-52905},
note = {Accessed 2026-05-11}
}