Tistarite

Ti2O3
IMA status
  • Approved
IMA symbol
Tta
IMA approved
2008
Also known as
  • IMA2008-016
  • Tistariet

Where it forms, where it's found

Type locality
Allende meteorite
  1. Pueblito de Allende
  2. Chihuahua
  3. Mexico

26.9667°, -105.3167°

5recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
#98
Cell parameters
a = 5.158 Å · c = 13.611 Å
Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
22TiTitaniumTitanium247.86795.734
66.61%
8OOxygenOxygen315.99947.997
33.39%
Total143.731100.00%

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

From IMA formula

Synonyms

  • IMA2008-016
  • Tistariet

In other languages

French
Tistarite
German
IMA 2008-016 · Tistarit
Italian
tistarite
Japanese
チスタライト

Classification

Strunz
10th ed.

4.CB.05

  • 4OxidesClass
  • 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
  • 4.CBWith medium-sized cationsGroup
  • 4.CB.05TistariteSpecies

Group, growth & confusion

In the same group
4 members

Literature, links & citation

Citations
  1. 2009Ma, C., Rossman, G. R. (2009) Tistarite, Ti2O3, a new refractory mineral from the Allende meteorite. American Mineralogist, 94 (5) 841-844 doi:10.2138/am.2009.3203 DOI: 10.2138/am.2009.3203
  2. 2016Griffin, W.L., Gain, S.E.M., Adams, D.T., Huang, J-X., Saunders, M., Toledo, V., Pearson, N.J., O’Reilly, S.Y. (2016) First terrestrial occurrence of tistarite (Ti2O3): Ultra-low oxygen fugacity in the upper mantle beneath Mount Carmel, Israel. Geology, 44 (10) 815-818 doi:10.1130/g37910.1DOI: 10.1130/g37910.1
  3. 2021(2021) Tistarite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Tistarite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/tistarite-38695},
  note      = {Accessed 2026-05-11}
}