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Schreibersite

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Karl Franz Anton von Schreibers
Formula:
(Fe,Ni)3P
System:
Tetragonal
Colour:
Silver-white to ...
Hardness:
6½ - 7
Name:
Named after Karl Franz Anton von Schreibers (1775-1852) of Vienna, Austria.
This page provides mineralogical data about Schreibersite.

Classification of Schreibersite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
1.BD.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
D : Phosphides
Dana 7th ed.:
1.1.31.2
1.1.21.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
2.14

2 : Carbides, Nitrides, Silicides and Phosphides
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Type Occurrence of Schreibersite

Year of Discovery:
1847

Occurrences of Schreibersite

Geological Setting:
Meteorites, reduced differentiated lenses in basalts, hydrothermal replacement in petrified wood.

Physical Properties of Schreibersite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Silver-white to tin-white, tarnishes to brass yellow or brown
Hardness (Mohs):
6½ - 7
Tenacity:
Very brittle
Cleavage:
Perfect
Perfect on {001}
imperfect on {010} or {110}
Density:
7.0 - 7.3 g/cm3 (Measured)    7.28(16) g/cm3 (Calculated)

Crystallography of Schreibersite

Crystal System:
Tetragonal
Class (H-M):
4 - Disphenoidal
Space Group:
I4
Cell Parameters:
a = 9.05Å, c = 4.47Å
Ratio:
a:c = 1 : 0.494
Unit Cell Volume:
V 366.10 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Rarely in crystals, hoppered, plates, tablets, rods or needles.

Optical Data of Schreibersite

Type:
Uniaxial

Chemical Properties of Schreibersite

Formula:
(Fe,Ni)3P
Essential elements:
All elements listed in formula:
Common Impurities:
Cr

Relationship of Schreibersite to other Species

Common Associates:
1.BD.05Nickelphosphide(Ni,Fe)3P
1.BD.10Barringerite(Fe,Ni)2P
1.BD.10MonipiteMoNiP
1.BD.15FlorenskyiteFeTiP
1.BD.15Allabogdanite(Fe,Ni)2P
1.BD.15AndreyivanoviteFeCrP
1.BD.20Melliniite(Ni,Fe)4P
2.1MoissaniteSiC
2.2SinoiteSi2N2O
2.3OsborniteTiN
2.4TongbaiteCr3C2
2.5CarlsbergiteCrN
2.6SiderazotFe5N2
2.7GupeiiteFe3Si
2.8XifengiteFe5Si3
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6
2.11Cohenite(Fe,Ni,Co)3C
2.12Roaldite(Fe,Ni)4N
2.13Suessite(Fe,Ni)3Si
2.15Barringerite(Fe,Ni)2P
2.16Perryite(Ni,Fe)5(Si,P)2
1.1.31.1Barringerite(Fe,Ni)2P
1.1.31.3Nickelphosphide(Ni,Fe)3P
1.1.31.4Melliniite(Ni,Fe)4P

Other Names for Schreibersite

Other Information

Other Information:
Strongly magnetic
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Schreibersite

Reference List:
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume I: 124-126.

Geochemica et Cosmochimica Acta: 28: 971-980.

Geochemica et Cosmochimica Acta: 29: 513-534.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1982): 111: 685.

Skála, R. and Císařová, I. (2005) Crystal structure of meteoritic schreibersites: determination of absolute structure: Physicas and Chemistry of Minerals: 31: 721-732.

Internet Links for Schreibersite

Localities for Schreibersite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Mineral and/or Locality  
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