Nioboixiolite-(Fe2+)

(Nb2/3Fe2+1/3)O2
IMA status
  • Approved
  • Pending publication
IMA symbol
Nbix-Fe2+
Also known as
  • IMA2025-016
  • Nioboixioliet-(Fe2+)

Where it forms, where it's found

Type locality
Jordanów granite quarry
  1. Gmina Jordanów Śląski
  2. Wrocław County
  3. Lower Silesian Voivodeship
  4. Poland

50.8711°, 16.8383°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Monoclinic
Space group
P21/m
Cell parameters
a = 6.3846(1) Å · b = 30.8254(4) Å · c = 6.49473(8) Å
Cell angles
β = 95.354(1) °
Ratio a:b:c
1 : 4.828 : 1.017

Synonyms

  • IMA2025-016
  • Nioboixioliet-(Fe2+)

Classification

Strunz
10th ed.

4.DB.25

  • 4OxidesClass
  • 4.DMetal: Oxygen = 1:2 and similarDivision
  • 4.DBWith medium-sized cations; chains of edge-sharing octahedraGroup
  • 4.DB.25Nioboixiolite-(Fe2+)Species

Group, growth & confusion

In the same group
7 members

Literature, links & citation

Citations
  1. 2025Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2025) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 88. Mineralogical Magazine, 89. 1-11 doi:10.1180/mgm.2025.10183DOI: 10.1180/mgm.2025.10183
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Nioboixiolite-(Fe2+) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/nioboixiolite-fe2-498782},
  note      = {Accessed 2026-05-11}
}