Mineralogy Database

Schreibersite Mineral Data

Search Webmineral :

General Schreibersite Information

Help on Chemical  Formula: Chemical Formula: (Fe,Ni)3P
Help on Composition: Composition: Molecular Weight = 200.65 gm
   Iron        62.63 %  Fe
   Nickel      21.94 %  Ni
   Phosphorus  15.44 %  P
              100.00 % 
Help on Empirical Formula: Empirical Formula: Fe0+2.25Ni0.75P
Help on Environment: Environment: In nearly all iron meteorites, but lacking in those which are nickel deficient.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1847
Help on Locality: Locality: Common in iron meteorites, as Magura, Bohumilitz, Beaconsfield, Canyon Diablo, Coahuila, many others Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Karl Franz Anton von Schreibers (1775-1852), of Vienna, Austria.
Help on Name Pronunciation: Name Pronunciation: Schreibersite + Pronunciation Say SCHREIBERSITE
Help on Synonym: Synonym: ICSD 14241
  PDF 19-617

Schreibersite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Golden metallic schreibersite cleavage fragment from type IIB octahedrite meteorite.
Location: Sau Luiao de Moreira Meteorite, Ponte de Lima, Minho, Viana do Castelo, Portugal. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  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

Schreibersite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.49084
Help on Cell Dimensions: Cell Dimensions: a = 9.013, c = 4.424, Z = 8; V = 359.38 Den(Calc)= 7.42
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): 2.19(1), 1.972(0.7), 2.1(0.7),

Physical Properties of Schreibersite

Help on Cleavage: Cleavage: {001} Perfect, {010} Indistinct, {110} Indistinct
Help on Color: Color: Bronze, Brown, Brass yellow, Silver white.
Help on Density: Density: 7 - 7.8, Average = 7.4
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 6.5-7 - Pyrite-Quartz
Help on Luster: Luster: Metallic
Help on Streak: Streak: dark gray

Calculated Properties of Schreibersite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.99 gm/cc
note: Specific Gravity of Schreibersite =7.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESchreibersite = 28.90 barns/electron
U=PESchreibersite x rElectron Density= 201.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Schreibersite is Not Radioactive

Schreibersite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.21)Barringerite Group phosphides Barringerite (Fe,Ni)2P P 62m 6 m2 Schreibersite (Fe,Ni)3P I 4 4 Nickelphosphide! (Ni,Fe)3P I 4 4 Allabogdanite! (Fe,Ni)2P P nma 2/m 2/m 2/m Melliniite! (Ni,Fe)4P P 213 2 3 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 Schreibersite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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

Search for Schreibersite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Schreibersite :

Ask about Schreibersite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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


Dana No: Strunz No: 01.BD.05





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.