Zuolinite

Ba2Sr(Nb4.5Fe3+0.5)O15
IMA status
  • Approved
  • Pending publication
IMA symbol
Zln
IMA approved
2026
Also known as
  • IMA2025-058
  • Zuoliniet

Where it forms, where it's found

Type locality
Bayan Obo deposit
  1. Bayan Obo mining district
  2. Baotou City
  3. Inner Mongolia
  4. China

41.7958°, 109.9694°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Tetragonal
Space group
P4/mbm
Cell parameters
a = 12.5091(4) Å · c = 3.9664(2) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
41NbNiobiumNiobium4.592.906418.077
39.88%
56BaBariumBarium2137.327274.654
26.20%
8OOxygenOxygen1515.999239.985
22.89%
38SrStrontiumStrontium187.62087.620
8.36%
26FeIronIron0.555.84527.922
2.67%
Total1048.258100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • IMA2025-058
  • Zuoliniet

In other languages

Catalan
zuolinita

Classification

Strunz
10th ed.

4.DM

  • 4OxidesClass
  • 4.DMetal: Oxygen = 1:2 and similarDivision
  • 4.DMWith large (+- medium-sized) cations; unclassifiedGroup
  • 4.DMZuoliniteSpecies

Literature, links & citation

Citations
  1. She, H.-D., Fan, H.-R., Gu, X.-P., Li, X.-C., Yang, K.-F., Wang, Q.-W., Yang. Z.-F. and Chen, B. (2026) Zuolinite, IMA 2025-058. CNMNC Newsletter 89, Mineralogical Magazine, 90, https://doi.org/10.1180/mgm.2026.10199
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Zuolinite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/zuolinite-499359},
  note      = {Accessed 2026-05-11}
}