Where it forms, where it's found
- Geological setting
In angrite (an achondritic meteorite)
- Type locality
- D'Orbigny meteorite
- D'Orbigny
- Coronel Suaréz
- Buenos Aires Province
- Argentina
-37.6667°, -61.6497°
6recorded occurrences
Crystallography
- Cell parameters
- a = 10.513(7) Å · b = 10.887(7) Å · c = 9.004(18) Å
- Cell angles
- α = 105.97(13) ° · β = 96.00(12) ° · γ = 124.82(4) °
- Ratio a:b:c
- 1 : 1.036 : 0.856
- Unit cell volume
- 767 ų
- Z
- 1
- Morphology
Euhedral to anhedral crystals. Faces observed: (0-11), (0-21) and (03-1)
- Twinning
twin plane(0-11)
- Type-locality form
As euhedral to anhedral crystals, < 20 μm in size, within a rim of olivine intergrowths at the contact between Fe sulfide spherules and the space-filling hedenbergite in the D'Orbigny meteorite
Chemical composition
Synonyms
- IMA2013-109
- UM1972-18-SiO:AlCaFeMgTi
In other languages
- German
- IMA 2013-109 · Kuratit
- Italian
- kuratite
Classification
Strunz
10th ed.9.DH.40
- 9SilicatesClass
- 9.DInosilicatesDivision
- 9.DHInosilicates with 4-periodic single chains, Si4O12Group
- 9.DH.40KuratiteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 2004Kurat, G., Varela, M.E., Brandstätter, F., Weckwerth, G., Clayton, R.N., Weber, H.W., Schultz, L., Wäsch, E., Nazarov, M.A. (2004) D’Orbigny: A non-igneous angritic achondrite?. Geochimica et Cosmochimica Acta, 68 (8) 1901-1921 doi:10.1016/j.gca.2003.10.016DOI: 10.1016/j.gca.2003.10.016
- 2014Hwang, S-L, Shen, P, Chu, H-T, Yui, T-F, Varela, M. E, Iizuka, Y (2014) Kuratite (IMA 2013-109): the “Unknown” Fe-Al-Ti Silicate from the Angrite D´Orbingy. 45th Lunar and Planetary Science Conference.
- 2014www.sci-news.com (n.d.) http://www.sci-news.com/geology/science-kuratite-new-mineral-meteorite-01814.html
- 2014Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) New minerals and nomenclature modifications approved in 2014, CNMNC Newsletter No 19. Mineralogical Magazine, 78 (1) 165-170 doi:10.1180/minmag.2014.078.1.12DOI: 10.1180/minmag.2014.078.1.12
- 2016Hwang, S.-L., Shen, P., Chu, H.-T., Yui, T.-F., Varela, M.-E., Iizuka, Y. (2016) Kuratite, Ca4(Fe2+10Ti2)O4[Si8Al4O36], the Fe2+-analogue of rhönite, a new mineral from the D'Orbigny angrite meteorite. Mineralogical Magazine, 80 (6) 1067-1076 doi:10.1180/minmag.2016.080.043DOI: 10.1180/minmag.2016.080.043
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Kuratite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/kuratite-44312},
note = {Accessed 2026-05-11}
}