Mineralogy Database

Nickelphosphide Mineral Data

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General Nickelphosphide Information

Help on Chemical  Formula: Chemical Formula: (Ni,Fe)3P
Help on Composition: Composition: Molecular Weight = 203.35 gm
   Iron        35.70 %  Fe
   Nickel      49.07 %  Ni
   Phosphorus  15.23 %  P
              ______ 
              100.00 % 
Help on Empirical Formula: Empirical Formula: Ni1.7Fe0+1.3P
Help on Environment: Environment: The nickel-dominant analog of schreibersite.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Found in the Butler iron meteorite, Bates County, Missouri, U.S.A., which fell in 1874, and a number of other iron meteorites. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its composition.
Help on Synonym: Synonym: ICSD 43396
  IMA1998-023
  PDF 51-1367
 

Nickelphosphide Image

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  Nickelphosphide   Kamacite

Comments: Small inclusion of nickelphosphide in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

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  Melliniite   Nickelphosphide

Comments: Reflected light image of creamy-yellowish melliniite (1) and nickelphosphide (3). AmMin, v91, p453.
Location: Northwest Africa 1054 acapulcoite. Scale: See Image.
© American Mineralogist

Nickelphosphide Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.48898
Help on Cell Dimensions: Cell Dimensions: a = 8.99, c = 4.396, Z = 6; V = 355.29 Den(Calc)= 5.70
Help on Crystal System: Crystal System: Tetragonal - Disphenoidal H-M Symbol (4) Space Group: I 4
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.17(1), 1.995(0.7), 1.955(0.7),2.08(0.5), 2.13(0.5), 2.01(0.2), 2.48(0.2),
 

Physical Properties of Nickelphosphide

Help on Cleavage: Cleavage: None
Help on Color: Color: Pinkish white, Yellowish white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 6.5-7 - Pyrite-Quartz
Help on Luster: Luster: Metallic
 

Optical Properties of Nickelphosphide

Help on RL Anisotrophism: RL Anisotrophism: None in air, weak in oil, yellowish-pinkish.
Help on RL Bireflectance: RL Bireflectance: None.
Help on RL Color: RL Color: White witha pink-yellow tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Nickelphosphide in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 480 nm   44.60   43.00 
   
 560 nm   48.30   46.80 
 580 nm   49.10   47.60 
 660 nm   52.50   51.30 
Calculated Relative Intensity Colors of Nickelphosphide in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210%
R1                  
R2                  
 

Calculated Properties of Nickelphosphide

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.40 gm/cc
note: Specific Gravity of Nickelphosphide =5.70 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PENickelphosphide = 31.56 barns/electron
U=PENickelphosphide x rElectron Density= 170.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nickelphosphide is Not Radioactive
 

Nickelphosphide Classification

Help on  Dana Class: Dana Class: 01.01.21.03 (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.21)Barringerite Group phosphides
 
01.01.21.01 Barringerite (Fe,Ni)2P P 62m 6 m2
 
01.01.21.02 Schreibersite (Fe,Ni)3P I 4 4
 
01.01.21.03 Nickelphosphide! (Ni,Fe)3P I 4 4
 
01.01.21.04 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m
 
01.01.21.05 Melliniite! (Ni,Fe)4P P 213 2 3
 
01.01.21.06 Monipite! MoNiP P 6 2m 6 m2
Help on  Strunz Class: Strunz Class: 01.BD.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.B - Metallic Carbides, Silicides, Nitrides and Phosphides
  01.BD -Phosphides
 
01.BD.05 Schreibersite (Fe,Ni)3P I 4 4
 
01.BD.05 Nickelphosphide! (Ni,Fe)3P I 4 4
 

Other Nickelphosphide Information

Help on References: References: NAME( CanMin, 8/99) PHYS. PROP.(MinRec, Vol 31, No 4) OPTIC PROP.(AmMin, v 85, p 875)
Help on See Also: See Also: Links to other databases for Nickelphosphide :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Nickelphosphide

(Ni,Fe)3P
Dana No: 01.01.21.03 Strunz No: 01.BD.05
Locality:

 

Notes:

 

 
   
 


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