Where it forms, where it's found
- Geological setting
In late Pleistocene basaltic scoria from the Menan Volcanic Complex nearby Rexburg, Idaho, USA.
- Type locality
- Menan volcanic complex
- Rexburg area
- Madison County
- Idaho
- USA
43.7842°, -111.9731°
Crystallography
- Space group
- #35
- Cell parameters
- a = 5.0647(3) Å · b = 8.7131(36) Å · c = 9.3842(5) Å
- Ratio a:b:c
- 1 : 1.720 : 1.853
- Z
- 4
- Twinning
Display (110) twins with twin boundaries of (110), (100), and (130) due to their pseudo-hexagonal symmetry.
- Type-locality form
As euhedral or semi-euhedral crystal with size ranging from ~20 to ~120 nm.
Chemical composition
Synonyms
- IMA2016-005
- Luogufengiet
In other languages
- German
- IMA 2016-005 · Luogufengit
- Chinese
- 罗氏铁矿
Classification
4.CB.90
- 4OxidesClass
- 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
- 4.CBWith medium-sized cationsGroup
- 4.CB.90LuogufengiteSpecies
Group, growth & confusion
Literature, links & citation
- 2016Lee, S., and Xu, H. (2016) A Size-Dependent Phase Map and Phase Transformation Kinetics for Nanometric Iron (III) Oxides (γ→ ε→ α Pathway). The Journal of Physical Chemistry C.
- 2016Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter no 31. Mineralogical Magazine, 80 (4) 691-697 doi:10.1180/minmag.2016.080.083DOI: 10.1180/minmag.2016.080.083
- 2017Xu, Huifang; Lee, Seungyeol; Xu, Hongwu (2017) Luogufengite: A new nano-mineral of Fe2O3 polymorph with giant coercive field. American Mineralogist, 102 (4). 711-719 doi:10.2138/am-2017-5849DOI: 10.2138/am-2017-5849
- 2022(2022) Luogufengite. Handbook of Mineralogy. Mineralogical Society of America
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Luogufengite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/luogufengite-47789},
note = {Accessed 2026-05-11}
}