Barringerite Mineral Data

Barringerite Mineral Data +

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General Barringerite Information

Chemical Formula:

(Fe,Ni)2P

Composition:

Molecular Weight = 144.09 gm

Iron 58.14 % Fe

Nickel 20.37 % Ni

Phosphorus 21.50 % P

______

100.00 %

Empirical Formula:

Fe⁰⁺_1.5Ni_0.5P

IMA Status:

Approved IMA 1969

Locality:

Link to MinDat.org Location Data.

Name Origin:

Names in 1969 for Daniel M. Barringer (1860-1929), U.S. Mining engineer, who established the meteoritic origin of Meteor Crater, Arizona.

Synonym:

ICSD 71015

PDF 27-1171

Barringerite Image

Images:

Barringerite

Comments: Dark barringerite inclusions in nickel-iron meteorite (polished section.
Location: Canon Diablo Meteorite, Meteor Crater, Canon Diablo, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Barringerite Crystallography

Axial Ratios:

a:c = 1:0.58603

Cell Dimensions:

a = 5.87, c = 3.44, Z = 3; V = 102.65 Den(Calc)= 6.99

Crystal System:

Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 62m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.233(1), 2.045(0.68), 1.923(0.42),

Physical Properties of Barringerite

Color:

Gray white.

Density:

6.92

Diaphaniety:

Opaque

Luster:

Metallic

Calculated Properties of Barringerite

Electron Density:

r_electron=6.60 gm/cc
note: r_Barringerite=6.99 gm/cc.

Fermion Index

Fermion Index = 0.01462
Boson Index = 0.98538

Photoelectric:

PE_Barringerite= 27.09 barns/electron
U=PE_Barringerite x r_electron= 178.71 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Barringerite is Not Radioactive

Barringerite Classification

Dana Class:

1.1.21.1 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.21)Dana Group

1.1.21.1 Barringerite (Fe,Ni)2P P 62m 6 m2

1.1.21.2 Schreibersite (Fe,Ni)3P I 4 4

1.1.21.3 Nickelphosphide! (Ni,Fe)3P I 4 4

1.1.21.4 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m

Strunz Class:

I/A.11-10 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.11 - Barringerite-Schreibersite series

I/A.11-05 Florenskyite! (Fe,Ni)TiP P nma 2/m 2/m 2/m

I/A.11-10 Barringerite (Fe,Ni)2P P 62m 6 m2

I/A.11-20 Schreibersite (Fe,Ni)3P I 4 4

I/A.11-30 Nickelphosphide! (Ni,Fe)3P I 4 4

Other Barringerite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Barringerite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Barringerite Specimen Label here :

Barringerite

(Fe,Ni)2P
Dana No: 1.1.21.1 Strunz No: I/A.11-10
Locality:

Notes: