General Schreibersite Information
|
Chemical Formula: |
(Fe,Ni)3P |
Composition: |
Molecular Weight = 200.65 gm |
| |
Iron 62.63 % Fe |
| |
Nickel 21.94 % Ni |
| |
Phosphorus 15.44 % P |
| |
______ |
| |
100.00 % |
Empirical Formula: |
Fe0+2.25Ni0.75P |
IMA Status: |
Valid Species (Pre-IMA) 1847 |
Locality: |
Link to MinDat.org Location Data. |
Synonym: |
ICSD 14241 |
| |
PDF 19-617 |
| |
Rhabdite |
| |
Schreibersite Image |
Images:
|
|
Images:
|
|
Schreibersite Allabogdanite
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
|
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 - DisphenoidalH-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), |
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
|
|
|
Skala R , Cisarova I , Physics and Chemistry of Minerals , 31 (2005) p.721-732, Crystal structure of meteoritic schreibersites: determination of absolute structure, Sample: Acuna
View Additional jPOWD Structure files for Schreibersite
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
|
|
| |
Physical Properties of Schreibersite
|
Cleavage: |
[001] Perfect, [010] Indistinct, [110] Indistinct |
Color: |
Bronze, Brown, Brass yellow, Silver white. |
Density: |
7 - 7.8, Average = 7.4 |
Diaphaniety: |
Opaque |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Hardness: |
6.5-7 - Pyrite-Quartz |
Luster: |
Metallic |
Streak: |
dark gray |
| |
Calculated Properties of Schreibersite
|
Electron Density: |
relectron=6.99 gm/cc note: rSchreibersite =7.42 gm/cc. |
Fermion Index |
Fermion Index = 0.01575 Boson Index = 0.98425 |
Photoelectric: |
PESchreibersite = 28.90 barns/electron U=PESchreibersite x relectron= 201.97 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Schreibersite is Not Radioactive |
| |
Schreibersite Classification
|
Dana Class: |
1.1.21.2 (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.11-20 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 Schreibersite Information
|
References: |
NAME( Athena) 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 - Crocoite.com Mineral Locations
4 - EUROmin Project
5 -Google Images
6 -Google Scholar
7 -Handbook of Mineralogy (UofA)
8 -MinDAT
9 -MinMax(Deutsch)
10 -MinMax(English)
11 -Mineralienatlas (Deutsch)
12 -QUT Mineral Atlas
13 - WWW-MINCRYST
14 -École des Mines de Paris
Search for Schreibersite using:
[ALTAVISTA]
[AOL]
[About.com]
[All-The-Web]
[HotBot]
[Ixquick]
[LookSmart]
[MAMMA]
[MSN.COM]
[Netscape]
[Teoma]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Schreibersite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop
Translate Schreibersite Mineral Data :
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
Español
Print or Cut-and-Paste your Schreibersite Specimen Label here :
|
Schreibersite
(Fe,Ni)3P
Dana No: 1.1.21.2 Strunz No: I/A.11-20
Locality:
Notes:
|
|
| |
| |
|
| |