Pengite

(Pb8Sb3+3)Sb5+9O35
IMA status
  • Approved
  • Pending publication
IMA symbol
Peg
Also known as
  • IMA2022-068
  • Pengiet

Where it forms, where it's found

Type locality
Wuxu ore field
  1. Nandan-Hechi Sn-W metallogenic belt
  2. Guangxi
  3. China

Safety & handling

Crystallography

Crystal system
Trigonal
Space group
R-3m
Cell parameters
a = 7.3651(3) Å · c = 48.346(2) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
82PbLeadLead8207.2001657.600
45.06%
51SbAntimonyAntimony12121.7601461.120
39.72%
8OOxygenOxygen3515.999559.965
15.22%
Total3678.685100.00%

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

From IMA formula

Synonyms

  • IMA2022-068
  • Pengiet

In other languages

German
Pengit

Classification

Strunz
10th ed.

4.CB

  • 4OxidesClass
  • 4.CMetal: Oxygen = 2: 3,3: 5, and similarDivision
  • 4.CBWith medium-sized cationsGroup
  • 4.CBPengiteSpecies

Literature, links & citation

Citations
  1. 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
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Pengite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/pengite-470502},
  note      = {Accessed 2026-05-11}
}