Perryite

(Ni,Fe)8(Si,P)3
IMA status
  • Approved
  • Grandfathered
IMA symbol
Pry
Discovered
1965
Also known as
  • Perryiet

Where it forms, where it's found

Geological setting

Iron meteorite.

Type locality
Horse Creek meteorite
  1. Baca County
  2. Colorado
  3. USA

37.5833°, -102.7667°

25recorded occurrences
Source · OpenStreetMap

Physical

Colour
Silver-white

Crystallography

Crystal system
Trigonal
Space group
#85
Cell parameters
a = 6.6525(5) Å · c = 37.998(5) Å
Unit cell volume
1456.3 ų
Z
6
Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
28NiNickelNickel858.693469.544
42.94%
26FeIronIron855.845446.760
40.86%
15PPhosphorusPhosphorus330.97492.922
8.50%
14SiSiliconSilicon328.08584.255
7.70%
Total1093.481100.00%

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

From IMA formula

Synonyms

  • Perryiet

In other languages

German
Perryit
Italian
Perryite

Classification

Strunz
10th ed.

1.BB.10

  • 1ElementsClass
  • 1.BMetallic Carbides, Silicides, Nitrides, Phosphides and HydridesDivision
  • 1.BBSilicidesGroup
  • 1.BB.10PerryiteSpecies
Dana
8th ed.

01.01.22.01

  • 01Native Elements and AlloysClass
  • 01.01Metals, other than the Platinum GroupType
  • 01.01.22— unnamed intermediate level —Group
  • 01.01.22.01PerryiteSpecies
CIM

2.16

  • 2Carbides, Nitrides, Silicides and PhosphidesClass
  • 2.16— unnamed intermediate level —Group
  • 2.16PerryiteSpecies

Literature, links & citation

Citations
  1. Chemical Abstracts 115: 103-198.
  2. 1965Fredriksson, K., Henderson, E.P. (1965) The Horse Creek, Baca County, Colorado, iron meteorite. Transactions of the American Geophysical Union: 46: 121-121.
  3. 1967Fleischer, Michael (1967) New Mineral Names. American Mineralogist, 52 (3-4) 559-564
  4. 1968Reed, S. J. B. (1968) Perryite in the Kota-Kota and South Oman enstatite chondrites. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (282) 850-854 doi:10.1180/minmag.1968.036.282.13 DOI: 10.1180/minmag.1968.036.282.13
  5. 1969Fleischer, Michael (1969) New Mineral Names. American Mineralogist, 54 (1-2) 326-330
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Perryite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/perryite-3170},
  note      = {Accessed 2026-05-11}
}