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Monipite

A valid IMA mineral species
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07871770017762598779041.jpg
Monipite, etc.

Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
07871770017762598779041.jpg
Monipite, etc.

Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
07871770017762598779041.jpg
Monipite, etc.

Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
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About MonipiteHide

Formula:
MoNiP
Specific Gravity:
8.27 (Calculated)
Crystal System:
Hexagonal
Name:
Named for composition, containing Mo, Ni, and P.
First Mo-Ni phosphide to date. Chemically similar minerals are polekhovskyite and tsikourasite.

Also compare nickolayite.


Unique IdentifiersHide

Mindat ID:
32290
Long-form identifier:
mindat:1:1:32290:8

IMA Classification of MonipiteHide

IMA status:
Approved
Approval year:
2007
First published:
2014

Classification of MonipiteHide

Strunz-mindat (2026):
1.BD.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
D : Phosphides
Dana 8th ed.:
1.1.31.5

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
MnpIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MonipiteHide

Density:
8.27 g/cm3 (Calculated)
Comment:
Calculated using calculated the measured composition and the structure and cell parameters of synthetic material.

Chemistry of MonipiteHide

Mindat Formula:
MoNiP
Element Weights:
Element% weight
Mo51.695 %
Ni31.619 %
P16.686 %

Calculated from ideal end-member formula.
Elements listed:
Mo, Ni, P - search for minerals with similar chemistry

Crystallography of MonipiteHide

Crystal System:
Hexagonal
Class (H-M):
6m2 - Ditrigonal Dipyramidal
Space Group:
P62m
Cell Parameters:
a = 5.681 Å, c = 3.704 Å
Ratio:
a:c = 1 : 0.652
Unit Cell V:
103.53 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009604MonipiteGuerin R, Sergent M (1977) Structure cristalline de NiMoP Localite: synthetic Acta Crystallographica B33 2820-282319770293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.298 Å(100)
2.094 Å(69)
1.918 Å(73)
1.852 Å(24)
1.408 Å(20)
1.332 Å(17)
1.316 Å(18)
1.111 Å(14)
Locality:
Allende meteorite, Pueblito de Allende, Chihuahua, Mexico

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 1: Primary nebular phases4.567-4.561
3 : Solar nebular condensates (CAIs, AOAs, URIs)>4.565

Type Occurrence of MonipiteHide

Type Locality:
ⓘ Allende meteorite, Pueblito de Allende, Chihuahua, Mexico
General Appearance of Type Material:
A single grain, 1.3 × 2.0 um in size.
Place of Conservation of Type Material:
Smithsonian Institution’s National Museum of Natural History, Wasington, D.C., USA, catalog number USNM 7554.
Geological Setting of Type Material:
Carbonaceous chondrite meteorite.
Associated Minerals at Type Locality:
'Apatite'DiopsideMelilite GroupSpinelTugarinovite

Synonyms of MonipiteHide

Other Language Names for MonipiteHide

Dutch:Monipiet
German:Monipit

Relationship of Monipite to other SpeciesHide

Member of:
Barringerite Group
Other Members of Barringerite Group:
Barringerite(Fe,Ni)2PHex. 6m2 : P62m

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Monipite associated with TugarinoviteMoO2
1 photo of Monipite associated with KamiokiteFe2Mo3O8
1 photo of Monipite associated with 'Apatite'Ca5(PO4)3A
1 photo of Monipite associated with MagnetiteFe2+Fe3+2O4
1 photo of Monipite associated with SpinelMgAl2O4

Related Minerals - Strunz-mindat GroupingHide

1.BD.MurashkoiteFePOrth. mmm(2/m2/m2/m) : Pnma
1.BD.OrishchiniteNi2POrth. mmm(2/m2/m2/m) : Pnma
1.BD.NickolayiteFeMoPOrth. mmm(2/m2/m2/m) : Pnma
1.BD.GrammatikopoulositeNiVPOrth.
1.BD.NegeviteNiP2Iso. m3(2/m3) : Pa3
1.BD.HalamishiteNi5P4Hex. 6mm : P63mc
1.BD.TransjordaniteNi2PHex. 6m2 : P62m
1.BD.ZuktamruriteFeP2Orth. mmm(2/m2/m2/m) : Pnnm
1.BD.05Nickelphosphide(Ni,Fe)3PTet. 4 : I4
1.BD.05Schreibersite(Fe,Ni)3PTet. 4 : I4
1.BD.10Barringerite(Fe,Ni)2PHex. 6m2 : P62m
1.BD.15Allabogdanite(Fe,Ni)2POrth. mmm(2/m2/m2/m) : Pnma
1.BD.15FlorenskyiteFeTiPOrth. mmm(2/m2/m2/m)
1.BD.15AndreyivanoviteFeCrPOrth. mmm(2/m2/m2/m) : Pnma
1.BD.20Melliniite(Ni,Fe)4PIso. 23 : P213
1.BD.35NazaroviteNi12P5Tet. 4/m : I4/m
1.BD.45PolekhovskyiteMoNiP2Hex. 6/mmm(6/m2/m2/m) : P63/mmc
1.BD.50TsikourasiteMo3Ni2P1+xIso. 43m : F43m
1.BD.60BadengzhuiteTiPHex. 6/mmm(6/m2/m2/m) : P63/mmc

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for MonipiteHide

References for MonipiteHide

Localities for MonipiteHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Mexico (TL)
 
  • Chihuahua
    • Pueblito de Allende
72nd Meteor.Soc. Meeting (2009)
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