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Barringerite

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Big Photo

Hatrurim Formation, Negev, Israel
© Pavel M. Kartashov

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Formula:
(Fe,Ni)
 
2
P
System:HexagonalColour:White
Lustre:MetallicHardness:7
Name:For Daniel Moreau Barringer (1860-1929), early proponent of the meteor impact origin of Meteor Crater, Canyon Diablo, Arizona, USA.
This page provides mineralogical data about Barringerite.

Classification of Barringerite

IMA status:Approved
Strunz 8th edition ID:1/A.11-10
Nickel-Strunz 10th (pending) edition ID:1.BD.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
D : Phosphides
Dana 7th edition ID:1.1.31.1
Dana 8th edition ID:1.1.21.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:2.15

2 : Carbides, Nitrides, Silicides and Phosphides
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Type Occurrence of Barringerite

Type Locality:Ollague meteorite, Ollague, Nor Lípez Province, Potosí Department, Bolivia
General Appearance of Type Material:As bands, 10-15 µm wide and several hundred µm long, consisting of individual grains less than 1 µm in diameter
Place of Conservation of Type Material:Nininger collection, Center for Meteorite Studies, Arizona State University, Tempe, Arizona, USA
Geological Setting of type material:Along the contact between schreibersite and troilite in a Fe-Ni meteorite
Associated Minerals at type locality:
TroiliteSchreibersiteOlivineKamacite

Occurrences of Barringerite

Geological Setting:As a single grain in a brecciated lunar meteorite of mixed mare and highland origin; in the oxidation zone of a platinum-bearing Cu-Ni sulphide deposit

Physical Properties of Barringerite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:White
Hardness (Mohs):7
Hardness (Vickers):VHN20=1097 kg/mm2
Density (calculated):6.92 g/cm3

Crystallography of Barringerite

Crystal System:Hexagonal
Class (H-M):6 m2 - Ditrigonal Dipyramidal
Space Group:P62m
Cell Parameters:a = 5.87Å, c = 3.44Å
Ratio:a:c = 1 : 0.586
Unit Cell Volume:V 102.65 ų (Calculated from Unit Cell)
Z:3
X-Ray Powder Diffraction:
d-spacingIntensity
2.237 (100)
1.28 (100)
1.21 (100)
1.10 (100)
2.048 (95)
1.920 (90)
1.694 (80)
Comments:Pattern of synthetic Fe2P

Optical Data of Barringerite

Type:Uniaxial
Type:Anisotropic
Anisotropism:Noticeable, white to blue
Colour in reflected light:Similar to kamacite, bluish compared to schreibersite

Chemical Properties of Barringerite

Formula:
(Fe,Ni)
 
2
P
Essential elements:Fe, P
All elements listed in formula:Fe, Ni, P
Analytical Data:Averages of several electron microprobe analyses of type material; empirical formula based on one phosphorus per formula unit
Fe (44.3)
Ni (33.9)
Co (0.25)
P (21.8)

sum 100.25 wt.-%
Empirical Formula:
(Fe
 
1.16
Ni
 
0.84
Co
 
0.01
)
 
=2.01
P
Common Impurities:Co,Cr

Relationship of Barringerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.BD.05Schreibersite
(Fe,Ni)
 
3
P
1.BD.05Nickelphosphide
(Ni,Fe)
 
3
P
1.BD.10Monipite
MoNiP
1.BD.15Florenskyite
FeTiP
1.BD.15Allabogdanite
(Fe,Ni)
 
2
P
1.BD.15Andreyivanovite
FeCrP
1.BD.20Melliniite
(Ni,Fe)
 
4
P
Related Minerals - Hey's Index Grouping:

- +
2.1Moissanite
SiC
2.2Sinoite
Si
 
2
N
 
2
O
2.3Osbornite
TiN
2.4Tongbaite
Cr
 
3
C
 
2
2.5Carlsbergite
CrN
2.6Siderazot
Fe
 
5
N
 
2
2.7Gupeiite
Fe
 
3
Si
2.8Xifengite
Fe
 
5
Si
 
3
2.9Khamrabaevite
(Ti,V,Fe)C
2.10Haxonite
(Fe,Ni)
 
23
C
 
6
2.11Cohenite
(Fe,Ni,Co)
 
3
C
2.12Roaldite
(Fe,Ni)
 
4
N
2.13Suessite
(Fe,Ni)
 
3
Si
2.14Schreibersite
(Fe,Ni)
 
3
P
2.16Perryite
(Ni,Fe)
 
5
(Si,P)
 
2
Related Minerals - Dana Grouping):

- +
1.1.31.2Schreibersite
(Fe,Ni)
 
3
P
1.1.31.3Nickelphosphide
(Ni,Fe)
 
3
P
1.1.31.4Melliniite
(Ni,Fe)
 
4
P

Other Names for Barringerite

Synonyms:
IMA1968-037
Other Languages:
German:Barringerit
Russian:Баррингерит
Spanish:Barringerita

Other Information

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

References for Barringerite

Reference List:

- +
Buseck, P. R. (1969): Phosphide from meteorites: barringerite, a new iron-nickel mineral. Science 165, 169-171. - American Mineralogist (1970), 55, 317 (abstract).

Carlsson, B., Gölin, M. and Rundqvist, S. (1973): Determination of the homogeneity range and refinement of the crystal structure of Fe2P. Journal of Solid State Chemistry 8, 57-67.

Fujii, H., Komura, S., Takeda, T., Okamoto, T., Ito, Y. and Akimitsu, J. (1979): Polarized neutron diffraction study of Fe2P single crystal. Journal of the Physical Society of Japan 46, 1616-1621.

Chen Kegiao, Jin Zaimiao and Peng Zhizhong (1983): The discovery of iron barringerite (Fe2P) in China. Scientia Geologica Sinica, 199-202 (in Chinese with English abstract). - American Mineralogist (1984), 69, 407 (abstract). - Mineralogical Abstracts (1984), 35, 186-187 (abstract).

Brandstätter, F., Koeberl, C. and Kurat, G. (1991): The discovery of iron barringerite in lunar meteorite Y-793274. Geochim. Cosmochim. Acta 55, 1173-1174.

Bulletin de la Société française de Minéralogie et de Cristallographie 98, 289-293.

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 44.

Internet Links for Barringerite

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  • Raman and XRD data at RRUFF project
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  • Barringerite details from Handbook of Mineralogy (PDF)
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    • Localities for Barringerite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Antarctica
     
    • Eastern Antarctica
      • Queen Maud Land (Dronning Maud Land)
        • Queen Fabiola Mts (Yamato Mts)
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 44
    Bolivia
     
    • Potosí Department
      • Nor Lípez Province
        • Ollague
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 44
    Brazil
     
    • Santa Catarina
      • São Francisco do Sul
        • Morro do Rócio
    China
     
    • Ningxia Hui Autonomous Region
      • Shizuishan Prefecture
        • Dawukou District
    		Aimin Yao (2003): Northwestern Geology [Xibei Dizhi] 36(1), 78-83.
    Israel
     
    • Negev
    		Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
    Oman
     
    • Dhofar (Al Janubiyah) Province
    USA
     
    • Arizona
      • Coconino Co.
        • Winslow
          • Meteor Crater and vicinity
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 129, 273.
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