Nickelphosphide
A valid IMA mineral species
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About Nickelphosphide
Formula:
(Ni,Fe)3P
Lustre:
Metallic
Hardness:
6½ - 7
Specific Gravity:
7.61 (Calculated)
Crystal System:
Tetragonal
Name:
The name reflects its composition.
Type Locality:
Chemically related to halamishite, melliniite, nazarovite, negevite, transjordanite, and 'Unnamed (Ni-Fe Phosphide)'.
Unique Identifiers
Mindat ID:
7191
Long-form identifier:
mindat:1:1:7191:4
GUID
(UUID V4):
(UUID V4):
52fb8ad6-555f-48d3-a6e7-3433d30a6bb3
IMA Classification of Nickelphosphide
Approved
IMA Formula:
Ni3P
First published:
1999
Classification of Nickelphosphide
1.BD.05
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
D : Phosphides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
D : Phosphides
Dana 7th ed.:
1.1.31.3
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Nic | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Nic | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Nickelphosphide
Metallic
Transparency:
Opaque
Hardness:
6½ - 7 on Mohs scale
Hardness:
VHN25=841 - 905 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Density:
7.61 g/cm3 (Calculated)
Optical Data of Nickelphosphide
Anisotropism:
No anisotropy observed in air, but weakly anisotropic in yellowish pinkish colors in oil (n = 1.515).
Bireflectance:
none
Reflectivity:
| Wavelength | R1 | R2 |
|---|---|---|
| 440nm | 41.6% | 43.0% |
| 460nm | 42.3% | 43.9% |
| 480nm | 43.0% | 44.6% |
| 500nm | 43.7% | 45.5% |
| 520nm | 44.7% | 46.5% |
| 540nm | 45.7% | 47.5% |
| 560nm | 46.8% | 48.3% |
| 580nm | 47.6% | 49.1% |
| 600nm | 48.6% | 50.0% |
| 620nm | 49.4% | 50.7% |
| 640nm | 50.3% | 51.7% |
| 660nm | 51.3% | 52.5% |
| 680nm | 52.1% | 53.3% |
| 700nm | 53.1% | 54.3% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 54.3%.
R1 shown in black, R2 shown in red
Colour in reflected light:
White with a pink-yellow tint.
Chemistry of Nickelphosphide
Mindat Formula:
(Ni,Fe)3P
Elements listed:
Crystallography of Nickelphosphide
Crystal System:
Tetragonal
Class (H-M):
4 - Disphenoidal
Space Group:
I4
Cell Parameters:
a = 8.9546(1) Å, c = 4.38714(8) Å
Ratio:
a:c = 1 : 0.49
Unit Cell V:
351.78 ų (Calculated from Unit Cell)
Z:
8
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014567 | Nickelphosphide | Skala R, Drabek M (2003) Nickelphosphide from the Vicenice octahedrite: Rietveld crystal structure refinement of synthetic analogue Mineralogical Magazine 67 783-792 |  | 2003 | synthetic | 0 | 293 |
| 0014568 | Nickelphosphide | Skala R, Drabek M (2003) Nickelphosphide from the Vicenice octahedrite: Rietveld crystal structure refinement of synthetic analogue Mineralogical Magazine 67 783-792 | | 2003 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.17 Å | (100) |
| 1.995 Å | (70) |
| 2.13 Å | (50) |
| 2.08 Å | (50) |
| 2.48 Å | (20) |
| 2.01 Å | (20) |
Comments:
Synthetic.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 1: Primary nebular phases | 4.567-4.561 |
| 4 : Primary chondrule phases | 4.566–4.561 |
| Stage 2: Planetesimal differentiation and alteration | 4.566-4.550 |
| 5 : Primary asteroid phases | 4.566–4.560 |
| 6 : Secondary asteroid phases | 4.566-4.560 |
| High-𝑇 alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Nickelphosphide
General Appearance of Type Material:
Idiomorphous isometric grains, to 30 μm, in kamacite lamellae, and as xenomorphous elongate inclusions, up to 200 μm long, in larger kamacite spindles.
Place of Conservation of Type Material:
Mining Museum, Saint Petersburg Mining Institute, Russia.
Geological Setting of Type Material:
Iron meteorite.
Associated Minerals at Type Locality:
Reference:
Britvin, S.N., Kolomensky, V.D., Boldyreva, M.M., Bogdanova, A.N., Kretser, Yu.L., Boldyreva, O.N., and Rudashevskii, N.S. (1999) Nickelphosphide, (Ni,Fe)3P, the nickel analog of schreibersite. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1999): 128(3): 64-72.
Synonyms of Nickelphosphide
Other Language Names for Nickelphosphide
German:Nickelphosphid
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Nickelphosphide associated with Kamacite | (Fe,Ni) |
| 1 photo of Nickelphosphide associated with Irghizite | |
| 1 photo of Nickelphosphide associated with Tsikourasite | Mo3Ni2P1+x |
| 1 photo of Nickelphosphide associated with Allabogdanite | (Fe,Ni)2P |
| 1 photo of Nickelphosphide associated with Chromite | Fe2+Cr3+2O4 |
| 1 photo of Nickelphosphide associated with Barringerite | (Fe,Ni)2P |
| 1 photo of Nickelphosphide associated with Awaruite | Ni3Fe |
Related Minerals - Strunz-mindat Grouping
| 1.BD. | Murashkoite | FeP |
| 1.BD. | Negevite | NiP2 |
| 1.BD. | Halamishite | Ni5P4 |
| 1.BD. | Transjordanite | Ni2P |
| 1.BD. | Zuktamrurite | FeP2 |
| 1.BD. | Nickolayite | FeMoP |
| 1.BD. | Orishchinite | Ni2P |
| 1.BD. | Grammatikopoulosite | NiVP |
| 1.BD.05 | Schreibersite | (Fe,Ni)3P |
| 1.BD.10 | Barringerite | (Fe,Ni)2P |
| 1.BD.10 | Monipite | MoNiP |
| 1.BD.15 | Florenskyite | FeTiP |
| 1.BD.15 | Allabogdanite | (Fe,Ni)2P |
| 1.BD.15 | Andreyivanovite | FeCrP |
| 1.BD.20 | Melliniite | (Ni,Fe)4P |
| 1.BD.35 | Nazarovite | Ni12P5 |
| 1.BD.45 | Polekhovskyite | MoNiP2 |
| 1.BD.50 | Tsikourasite | Mo3Ni2P1+x |
| 1.BD.60 | Badengzhuite | TiP |
Other Information
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 Nickelphosphide
mindat.org URL:
https://www.mindat.org/min-7191.html
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References for Nickelphosphide
Reference List:
Britvin, S. N., Kolomensky, V. D., Boldyreva, M. M., Bogdanova, A. N., Kretser, Y. L., Boldyreva, O. N., Rudashesky, N. S. (1999) Nickelphosphide (Ni,Fe)3P, the nickel analog of schreibersite. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 128 (3) 64-72
Localities for Nickelphosphide
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
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Kenton County meteorite, Kenton County, Kentucky, USA