Chromite polymorphs
harmunite-type FeCr2O4
Mineral name: chenmingite (named after Ming Chen)
Discovery: Suizhou meteorite (L6)
References
- Chen M., Shu J., Xie X., and Mao H-K. 2003. Geochimica et Cosmochimica Acta 67:3937–3942. (Discovery)
- Chen M., Shu J., Mao H-K., Xie X., and Hemley, R. J. 2003. Proceedings of the National Academy of Sciences 100:14651–14654. (First synthesis)
- Ma C., Tschauner O., Beckett J. R., and Liu Y., Greenberg, E., and Prakapenka, V. B. 2019. American Mineralogist 104: 1521–1525. (Described as a new mineral species)
CaTi2O4-type FeCr2O4
Mineral name: xieite (named after Xiande Xie)
Discovery: Suizhou meteorite (L6)
References
- Chen M., Shu J., Xie X., and Mao H-K. 2003. Geochimica et Cosmochimica Acta 67:3937–3942. (Discovery)
- Chen M., Shu J., Mao H-K., Xie X., and Hemley R. J. 2003. Proceedings of the National Academy of Sciences 100, 14651–14654. (First synthesis)
- Chen M., Shu J., and Mao H-K. 2008. Chinese Science Bulletin 53:3341–3345. (Described as a new mineral species)
Magnesioferrite polymorphs
harmunite-type MgFe2O4
Mineral name: maohokite (named after Ho-Kwang Mao)
Discovery: Xiuyan crater, China
References
- Chen M., Shu J., Xie X., and Tan D. 2019. Meteoritics & Planetary Science 54:495–502. (Discovery)
Ilmenite polymorphs
LiNbO3-type FeTiO3
Mineral name: wangdaodeite (named after Daode Wang)
Discovery: Suizhou meteorite (L6)
References
- Dubrovinsky L., El Goresy A., Gillet P., Wu X., and Simionvici A. 2009. Meteoritics & Planetary Science 42:5094.pdf (abstract). (Discovery in the Ries crater)
- Xie X., Gu X., Yang H., Chen M., and Li K. 2020. Meteoritics & Planetary Science 55:184–192. (Described as a new mineral species)
GdFeO3-type FeTiO3
Mineral name: liuite (named after Lin-gun Liu)
Discovery: Shergotty meteorite (shergottite)
References
- Ma C., Tchauner, O., Beckett J. R., and Prakapenka V. 2021, Lunar and Planetary Science, 52, 1681.pdf (Discovery)
Krotite polymorphs
CaGa2O4-type CaAl2O4
Mineral name: dmitryivanovite (named after Dmitriy Ivanov)
Discovery: NWA470 meteorite (CH3)

Dmitryivanovite (CaAl2O4) in the Vigarano chondrite.
References
- Ito S., Suzuki K., Inagaki M., and Naka S. 1980. Materials Research Bulletin 15:925–932. (First synthesis)
- Mikouchi T., Zolensky M., Ivanova M., Tachikawa O., Komatsu M., Le L., and Gounelle M. 2009. American Mineralogist 94:746–750. (First discovery. Described as a new mineral species)
- Maruyama S. and Tomioka N. 2011. Meteoritics & Planetary Science 46: 690–700. (Discovery in a CV chondrite)
Remarks: This mineral was characterized only by EBSD analyses.
Others
Schreyerite-type (Ti4+Fe2+)Ti43+O9
Mineral name: vestaite (named after asteroid Vesta)
Discovery: NWA8003 meteorite (Eucrite)
References
- Pang R., Harries D., Pollok K., Zhang A., and Langenhorst F. 2018. American Mineralogist 103:1502–1511 (Discovery)
CaTi2O4-type Fe2+(Fe2+Ti4+)O4
Mineral name: tschaunerite (named after Oliver Tschauner)
Discovery: Shergotty meteorite (shergottite)
References
- Ma C., Beckett J. R., and Prakapenka V. 2021. Lunar and Planetary Science, 52, 1720.pdf (Discovery)
Sr2Tl2O5-type Fe2+2(Fe2+Ti4+)O5
Mineral name: feiite (named after Yingwei Fei)
Discovery: Shergotty meteorite (shergottite)
References
- Ma C., Beckett J. R., and Prakapenka V. 2021. Lunar and Planetary Science, 52, 1720.pdf (Discovery)
Modified-ludwigite-type Fe2Cr2O5
Mineral name: None
Discovery: Itokawa particle
References
- Dobrică, E., Krot, A. N., and Brearley, A. J. 2026. Meteoritics & Planetary Science, 61:351–370. (Discovery)