Asimowite

Where it forms, where it's found

Type locality: Suizhou meteorite (Suizhou L6 chondrite)
Xihe
Zengdu District
Suizhou
Hubei
China
31.6167°, 113.4667°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Orthorhombic
Space group: Imma
Cell parameters: a = 5.7485(4) Å · b = 11.5761(9) Å · c = 8.3630(7) Å
Ratio a:b:c: 1 : 2.014 : 1.455
Unit cell volume: 556.52 Å³
Z: 8

Crystal structure

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
26FeIron Iron 2 55.845 111.690
54.81%
8OOxygen Oxygen 4 15.999 63.996
31.41%
14SiSilicon Silicon 1 28.085 28.085
13.78%
Total 203.771 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From IMA formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
26FeIron	Iron	2	55.845	111.690	54.81%
8OOxygen	Oxygen	4	15.999	63.996	31.41%
14SiSilicon	Silicon	1	28.085	28.085	13.78%
	Total	203.771	100.00%

Synonyms

Asimowiet
Asimowitt
IMA2018-102

In other languages

German: Asimowit

Classification

Strunz

10th ed.

9.BE.X

9SilicatesClass
9.BSorosilicatesDivision
9.BESi₂O₇ groups, with additional anions; cations in octahedral [6] and greater coordinationGroup
9.BE.XAsimowiteSpecies

Group, growth & confusion

3 minerals

Literature, links & citation

Citations

2018Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 46. European Journal of Mineralogy, 30 (6) 1181-1189 doi:10.1127/ejm/2018/0030-2819DOI: 10.1127/ejm/2018/0030-2819
2019Bindi, L., Brenker, F.E., Nestola, F., Koch, T.E., Prior, D.J., Lilly, K., Krot, A.N., Bizzarro, M., Xie, X. (2019) Discovery of asimowite, the Fe-analog of wadsleyite, in shock-melted silicate droplets of the Suizhou L6 and the Quebrada Chimborazo 001 CB3.0 chondrites. American Mineralogist: 104(5): 775-778.
2022(2022) Asimowite. Handbook of Mineralogy. Mineralogical Society of America
2023Pushcharovsky, D. Yu. (2023) Structural Transformations of Minerals in the Earth’s Mantle: the New High Pressure Polymorphous Modifications of Olivine and Wollastonite. Zapiski RMO (Proceedings of the Russian Mineralogical Society) 5, 66-82 doi:10.31857/s0869605523050064DOI: 10.31857/s0869605523050064

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Asimowite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/asimowite-53233},
  note      = {Accessed 2026-05-11}
}