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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Schreibersite Mineral Data
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General Schreibersite Information
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Chemical Formula: |
(Fe,Ni)3P |
Composition: |
Molecular Weight = 200.65 gm |
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Iron 62.63 % Fe |
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Nickel 21.94 % Ni |
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Phosphorus 15.44 % P |
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______ |
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100.00 % |
Empirical Formula: |
Fe0+2.25Ni0.75P |
Environment: |
In nearly all iron meteorites, but lacking in those which are nickel deficient. |
IMA Status: |
Valid Species (Pre-IMA) 1847 |
Locality: |
Common in iron meteorites, as Magura, Bohumilitz, Beaconsfield, Canyon Diablo, Coahuila, many others Link to MinDat.org Location Data. |
Name Origin: |
Named for Karl Franz Anton von Schreibers (1775-1852), of Vienna, Austria. |
Name Pronunciation: |
Schreibersite + Pronunciation |
Synonym: |
ICSD 14241 |
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PDF 19-617 |
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Rhabdite |
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Schreibersite Image |
Images:
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Images:
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Allabogdanite Schreibersite
Comments: Relict grain of allabogdanite crystal (ABG) surrounded by schreibersite rim (SCHR) in plessite matrix (PL). Black phase is a secondary Fe-Ni-hydroxide. Backscattered electron image. (AmMin, 87:1249).
Location: Onello iron meteorite (high-Ni ataxite) Onello River basin, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia.
Scale: Scale bar 10 µ-m.
© American Mineralogist |
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Schreibersite Crystallography
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Axial Ratios: |
a:c = 1:0.49084 |
Cell Dimensions: |
a = 9.013, c = 4.424, Z = 8; V = 359.38 Den(Calc)= 7.42 |
Crystal System: |
Tetragonal - Disphenoidal H-M Symbol (4) Space Group: I 4 |
X Ray Diffraction: |
By Intensity(I/Io): 2.19(1), 1.972(0.7), 2.1(0.7), |
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Physical Properties of Schreibersite
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Cleavage: |
{001} Perfect, {010} Indistinct, {110} Indistinct |
Color: |
Bronze, Brown, Brass yellow, Silver white. |
Density: |
7 - 7.8, Average = 7.4 |
Diaphaneity: |
Opaque |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Hardness: |
6.5-7 - Pyrite-Quartz |
Luster: |
Metallic |
Streak: |
dark gray |
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Calculated Properties of Schreibersite
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Electron Density: |
Bulk Density (Electron Density)=6.99 gm/cc note: Specific Gravity of Schreibersite =7.42 gm/cc. |
Fermion Index: |
Fermion Index = 0.01 Boson Index = 0.99 |
Photoelectric: |
PESchreibersite = 28.90 barns/electron U=PESchreibersite x rElectron Density= 201.97 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Schreibersite is Not Radioactive |
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Schreibersite Classification
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Dana Class: |
01.01.21.02 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.21)Barringerite Group phosphides |
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01.01.21.01 Barringerite (Fe,Ni)2P P 62m 6 m2 |
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01.01.21.02 Schreibersite (Fe,Ni)3P I 4 4 |
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01.01.21.03 Nickelphosphide! (Ni,Fe)3P I 4 4 |
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01.01.21.04 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m |
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01.01.21.05 Melliniite! (Ni,Fe)4P P 213 2 3 |
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01.01.21.06 Monipite! MoNiP P 6 2m 6 m2 |
Strunz Class: |
01.BD.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.B - Metallic Carbides, Silicides, Nitrides and Phosphides |
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01.BD -Phosphides |
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01.BD.05 Schreibersite (Fe,Ni)3P I 4 4 |
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01.BD.05 Nickelphosphide! (Ni,Fe)3P I 4 4 |
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Other Schreibersite Information
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References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Schreibersite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Schreibersite Specimen Label here :
Schreibersite
(Fe,Ni)3P
Dana No: 01.01.21.02 Strunz No: 01.BD.05
Locality:
Notes:
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