Palladinite

PdO
IMA status
  • Approved
  • Grandfathered
  • Questionable
IMA symbol
Pdn
Also known as
  • Palladiniet
  • Palladium-Ochre
  • Palladiumocker
  • +2 more

Where it forms, where it's found

9recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Tetragonal
Space group
P42/mmc
Cell parameters
a = 3.03(2) Å · c = 5.33(2) Å
Z
2
Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
46PdPalladiumPalladium1106.420106.420
86.93%
8OOxygenOxygen115.99915.999
13.07%
Total122.419100.00%

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

From IMA formula

Impurities
  • Cu

Synonyms

  • Palladiniet
  • Palladium-Ochre
  • Palladiumocker
  • Palladiumoxydul
  • UM1995-18-O:CuPd

In other languages

German
Palladinit

Classification

Strunz
10th ed.

4.AB.30

  • 4OxidesClass
  • 4.AMetal: Oxygen = 2:1 and 1:1Division
  • 4.ABM:O = 1:1 (and up to 1:1.25); with small to medium-sized cations onlyGroup
  • 4.AB.30PalladiniteSpecies

Literature, links & citation

Citations
  1. 1837Johnson, P.N., Lampadius, W.A. (1837) Mittheilungen über das brasilianische Palladgold. Journal für Praktische Chemie, 11, 311-315.
  2. 1857Sheppard C.U. (1857) Treatise of Mineralogy, 3rd ed., 1, 144.
  3. 1860Rammelsberg (1860): 1004.
  4. 1944Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.
  5. 1953Waser, J., Levy, H.A., Peterson, S.W. (1953) The structure of PdO. Acta Crystallographica, 6, 661-663.
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Palladinite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/palladinite-10660},
  note      = {Accessed 2026-05-11}
}