Oxyplumbopyrochlore

Pb2Nb2O6O
IMA status
  • Approved
  • Pending publication
IMA symbol
Oppcl
IMA approved
2024
Also known as
  • IMA2024-026

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

Safety & handling

Crystallography

Crystal system
Isometric
Space group
Fd-3m
Cell parameters
a = 10.607(1) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
82PbLeadLead2207.200414.400
58.19%
41NbNiobiumNiobium292.906185.812
26.09%
8OOxygenOxygen715.999111.993
15.72%
Total712.205100.00%

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

From Mindat formula

Synonyms

  • IMA2024-026

In other languages

German
IMA 2024-026 · Oxyplumbopyrochlor

Classification

Strunz
10th ed.

4.DH.15

  • 4OxidesClass
  • 4.DMetal: Oxygen = 1:2 and similarDivision
  • 4.DHWith large (+- medium-sized) cations; sheets of edge-sharing octahedraGroup
  • 4.DH.15OxyplumbopyrochloreSpecies

Group, growth & confusion

Literature, links & citation

Citations
  1. 2010Atencio, D., Andrade, M. B., Christy, A. G., Giere, R., Kartashov, P. M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist, 48 (3) 673-698 doi:10.3749/canmin.48.3.673 DOI: 10.3749/canmin.48.3.673
  2. 2013Christy, A. G., Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine, 77 (1) 13-20 doi:10.1180/minmag.2013.077.1.02 DOI: 10.1180/minmag.2013.077.1.02
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Oxyplumbopyrochlore — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/oxyplumbopyrochlore-40344},
  note      = {Accessed 2026-05-11}
}