Nioboixiolite-(Mn2+)

Where it forms, where it's found

Type locality: Sosedka pegmatite vein
Malkhan pegmatite field
Krasnyi Chikoy
Krasnochikoysky District
Zabaykalsky Krai
Russia
50.6517°, 109.8872°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Orthorhombic
Space group: Pbcn
Cell parameters: a = 4.7559(5) Å · b = 5.7318(5) Å · c = 5.1344(4) Å
Ratio a:b:c: 1 : 1.205 : 1.080

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
41NbNiobium Niobium 0.67 92.906 62.247
55.39%
8OOxygen Oxygen 2 15.999 31.998
28.48%
25MnManganese Manganese 0.33 54.938 18.130
16.13%
Total 112.375 100.00%
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
41NbNiobium	Niobium	0.67	92.906	62.247	55.39%
8OOxygen	Oxygen	2	15.999	31.998	28.48%
25MnManganese	Manganese	0.33	54.938	18.130	16.13%
	Total	112.375	100.00%

Synonyms

IMA2021-050a
Nioboixioliet-(Mn2+)
Nioboixiolit-(Mn2+)

Classification

Strunz

10th ed.

4.DB

4OxidesClass
4.DMetal: Oxygen = 1:2 and similarDivision
4.DBWith medium-sized cations; chains of edge-sharing octahedraGroup
4.DBNioboixiolite-(Mn2+)Species

Group, growth & confusion

7 members

Literature, links & citation

Citations

—N. V. Chukanov, I. V. Pekov, N. V. Zubkova, V. O. Yapaskurt, Yu. S. Shelukhina, S. N. Britvin, D. Yu. Pushcharovsky (2023): Nioboixiolite-(Mn2+), a New Ixiolite-Group Mineral from the Malkhan Pegmatite Field, Transbaikal Region, Russia. Zapiski RMO (Proceedings of the Russian Mineralogical Society) 152 (1), 8-17.
2022Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 70. European Journal of Mineralogy, 34 (6) 591-601 doi:10.5194/ejm-34-591-2022 DOI: 10.5194/ejm-34-591-2022
2024Kampf, A. R., Olds, T. A., Emproto, C., Ma, C., Marty, J. (2024) Amurselite, IMA 2024-062, in IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 82. European Journal of Mineralogy, 36 (6). 1005-1010 doi:10.5194/ejm-36-1005-2024DOI: 10.5194/ejm-36-1005-2024

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Nioboixiolite-(Mn2+) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/nioboixiolite-mn2-470473},
  note      = {Accessed 2026-05-11}
}