Bixbyite-(Fe)

Where it forms, where it's found

3recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Isometric

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
69.94%
8OOxygen Oxygen 3 15.999 47.997
30.06%
Total 159.687 100.00%
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	69.94%
8OOxygen	Oxygen	3	15.999	47.997	30.06%
	Total	159.687	100.00%

Synonyms

Bixbyiet-(Fe)

In other languages

German: Bixbyit-(Fe) · IMA 21-H

Classification

Strunz

10th ed.

4.CB.10

4OxidesClass
4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
4.CBWith medium-sized cationsGroup
4.CB.10Bixbyite-(Fe)Species

Literature, links & citation

Citations

1971Geller, S. (1971) Structure of α-Mn₂O₃, (Mn_0.983Fe_0.017)₂O₃ and (Mn_0.37Fe_0.63)₂O₃ and relation to magnetic ordering. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 27 (4). 821-828 doi:10.1107/s0567740871002966DOI: 10.1107/s0567740871002966
2022Støckler, Kristoffer Andreas Holm, Roth, Nikolaj, Grønbech, Thomas Bjørn Egede, Iversen, Bo Brummerstedt (2022) Epitaxial intergrowths and local oxide relaxations in natural bixbyite Fe_2−xMn_xO₃. IUCrJ, 9 (4). 523-532 doi:10.1107/s2052252522006315DOI: 10.1107/s2052252522006315

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Bixbyite-(Fe) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/bixbyite-fe-55700},
  note      = {Accessed 2026-05-11}
}