Monipite

MoNiP
IMA status
  • Approved
IMA symbol
Mnp
IMA approved
2007
Also known as
  • IMA2007-033
  • Monipiet

Where it forms, where it's found

Geological setting

Carbonaceous chondrite meteorite.

Type locality
Allende meteorite
  1. Pueblito de Allende
  2. Chihuahua
  3. Mexico

26.9667°, -105.3167°

1recorded occurrences
Source · OpenStreetMap

Physical

Density
8.27 g/cm³

Crystallography

Crystal system
Hexagonal
Space group
#110
Cell parameters
a = 5.681 Å · c = 3.704 Å
Type-locality form

A single grain, 1.3 × 2.0 um in size.

Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
42MoMolybdenumMolybdenum195.95095.950
51.69%
28NiNickelNickel158.69358.693
31.62%
15PPhosphorusPhosphorus130.97430.974
16.69%
Total185.617100.00%

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

From IMA formula

Synonyms

  • IMA2007-033
  • Monipiet

In other languages

German
IMA 2007-033 · Monipit
Italian
monipite

Classification

Strunz
10th ed.

1.BD.10

  • 1ElementsClass
  • 1.BMetallic Carbides, Silicides, Nitrides, Phosphides and HydridesDivision
  • 1.BDPhosphidesGroup
  • 1.BD.10MonipiteSpecies
Dana
8th ed.

01.01.31.05

  • 01Native Elements and AlloysClass
  • 01.01Metals, other than the Platinum GroupType
  • 01.01.31— unnamed intermediate level —Group
  • 01.01.31.05MonipiteSpecies

Group, growth & confusion

In the same group
1 members

Literature, links & citation

Citations
  1. 1977Guérin, R., Sergent, M. (1977) Structure cristalline de NiMoP. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 33 (9) 2820-2823 doi:10.1107/s0567740877009546DOI: 10.1107/s0567740877009546
  2. 2009Beckett, J., Rossman, G.R. (2009) Discovery of a new phosphide mineral, Monipite (MoNiP) in an allende Type B1 CAI. 72nd Annual Meteorical Society Meeting Abstracts, 5090(2009).
  3. 2014Ma, C., Beckett, J. R., Rossman, G. R. (2014) Monipite, MoNiP, a new phosphide mineral in a Ca-Al-rich inclusion from the Allende meteorite. American Mineralogist, 99 (1) 198-205 doi:10.2138/am.2014.4512 DOI: 10.2138/am.2014.4512
  4. 2017(2017) Monipite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Monipite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/monipite-32290},
  note      = {Accessed 2026-05-11}
}