Cohenite - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Cohenite R100076

Name: Cohenite
RRUFF ID: R100076
Ideal Chemistry: CFe₃
Locality: Asuk, Disko, West Greenland, Greenland
Source: Michael Scott S101369 [view label]
Owner: RRUFF
Description: Polished thick section associated with native iron
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Perovskite (44) ]

CHEMISTRY

RRUFF ID:	R100076.2
Sample Description:	Microprobe Fragment, the bluish regions are native iron, and the red lines are cracks filled with carbon, probably during sample preparation.
Measured Chemistry:	Fe_2.96Ni_.02C, normalized to 1 carbon
Microprobe Data File:	[ Download Excel File ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented Raman on the primary sample

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R100076

Wavelength:

Sample Description:

Unoriented Raman on the primary sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R100076.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 4.529(2)Å b: 5.087(2)Å c: 6.745(2)Å
alpha: 90° beta: 90° gamma: 90° Volume: 155.42(5)Å³ Crystal System: orthorhombic

File Type Information

Calculated diffraction file.

File Type Information

Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Cohenite
American Mineralogist Crystal Structure Database Record: [view record]
Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]
Weinschenk E (1889) Ueber einige Bestandtheile des Meteoreisens von Magura, Arva, Ungarn, Annalen des Kaiserlich-Königlichen Naturhistorischen Hofmuseums, 4, 93-101 [view file]
Hendricks B S (1930) The crystal structure of cementite, Zeitschrift für Kristallographie, 74, 534-545 [view file]
Shimura S (1930) 82. A study on the structure of cementite, Proceedings of the Japan Academy, 6, 269-271 [view file]
Westgren A (1932) Cementitens kristallstruktur, Jernkontorets Annaler, 1932, 457-468 [view file]
Lipson H, Petch N J, (1940) The crystal structure of cementite, Fe₃C, The Journal of the Iron and Steel Institute (London), 142, 95-103
Löhberg K (1961) Der Zementit Fe₃C als geordneter Substitutionsmischkristall, Naturwissenschaften, 48, 46-46
Aronsson B, Rundqvist S (1962) Structural features of some phases related to cementite, Acta Crystallographica, 15, 878-887
Gardin A I (1962) An electron-diffraction study of the structure of cementite, Soviet Physics - Crystallography, 7, 694-700 [view file]
Meinhardt D, Krisement O (1962) Strukturuntersuchungen an Karbiden des Eisens, Wolframs und Chroms mit thermischen Neutronen, Archiv für das Eisenhüettenwesen, 33, 493-499
Lyashchenko B G, Sorokin L M (1963) Determination of the position of carbon in cementite by the neutron diffraction method, Soviet Physics - Crystallography, 8, 300-304 [view file]
Herbstein F H, Smuts J (1964) Comparison of X-ray and neutron-diffraction refinements of the structure of cementite Fe₃C, Acta Crystallographica, 17, 1331-1332
Fasiska E J, Jeffery G A (1965) On the cementite structure, Acta Crystallographica, 19, 463-471
Brett R (1967) Cohenite: its occurrence and a proposed origin, Geochimica et Cosmochimica Acta, 31, 143-159
Bird J M, Weathers M S (1977) Native iron occurrences of Disko Island, Greenland, The Journal of Geology, 85, 359-371
Fruchart D, Chaudouet P, Fruchart R, Rouault A, Senateur J P (1984) Etudes structurales de composés de type cémentite: effet de l'hydrogène sur Fe₃C suivi par diffraction neutronique. Spectrométrie mössbauer sur FeCo₂B et Co₃B dopés au ⁵⁷Fe, Journal of Solid State Chemistry, 51, 246-252
Wood I G, Vočadlo L, Knight K S, Dobson D P, Marshall W G, Price G D, Brodholt J (2004) Thermal expansion and crystal structure of cementite, Fe₃C, between 4 and 600 K determined by time-of-flight neutron powder diffraction, Journal of Applied Crystallography, 37, 82-90
David B, Schneeweiss O, Mashlan M, Šantavá E, Morjan I (2007) Low-temperature magnetic properties of Fe₃C/iron oxide nanocomposite, Journal of Magnetism and Magnetic Materials, 316, 422-425
Mitchell R H, Welch M D, Chakhmouradian A R (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition, Mineralogical Magazine, 81, 411-461 [view file]

REFERENCES for Cohenite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Weinschenk E (1889) Ueber einige Bestandtheile des Meteoreisens von Magura, Arva, Ungarn, Annalen des Kaiserlich-Königlichen Naturhistorischen Hofmuseums, 4, 93-101 [view file]

Hendricks B S (1930) The crystal structure of cementite, Zeitschrift für Kristallographie, 74, 534-545 [view file]

Shimura S (1930) 82. A study on the structure of cementite, Proceedings of the Japan Academy, 6, 269-271 [view file]

Westgren A (1932) Cementitens kristallstruktur, Jernkontorets Annaler, 1932, 457-468 [view file]

Lipson H, Petch N J, (1940) The crystal structure of cementite, Fe₃C, The Journal of the Iron and Steel Institute (London), 142, 95-103

Löhberg K (1961) Der Zementit Fe₃C als geordneter Substitutionsmischkristall, Naturwissenschaften, 48, 46-46

Aronsson B, Rundqvist S (1962) Structural features of some phases related to cementite, Acta Crystallographica, 15, 878-887

Gardin A I (1962) An electron-diffraction study of the structure of cementite, Soviet Physics - Crystallography, 7, 694-700 [view file]

Meinhardt D, Krisement O (1962) Strukturuntersuchungen an Karbiden des Eisens, Wolframs und Chroms mit thermischen Neutronen, Archiv für das Eisenhüettenwesen, 33, 493-499

Lyashchenko B G, Sorokin L M (1963) Determination of the position of carbon in cementite by the neutron diffraction method, Soviet Physics - Crystallography, 8, 300-304 [view file]

Herbstein F H, Smuts J (1964) Comparison of X-ray and neutron-diffraction refinements of the structure of cementite Fe₃C, Acta Crystallographica, 17, 1331-1332

Fasiska E J, Jeffery G A (1965) On the cementite structure, Acta Crystallographica, 19, 463-471

Brett R (1967) Cohenite: its occurrence and a proposed origin, Geochimica et Cosmochimica Acta, 31, 143-159

Bird J M, Weathers M S (1977) Native iron occurrences of Disko Island, Greenland, The Journal of Geology, 85, 359-371

Fruchart D, Chaudouet P, Fruchart R, Rouault A, Senateur J P (1984) Etudes structurales de composés de type cémentite: effet de l'hydrogène sur Fe₃C suivi par diffraction neutronique. Spectrométrie mössbauer sur FeCo₂B et Co₃B dopés au ⁵⁷Fe, Journal of Solid State Chemistry, 51, 246-252

Wood I G, Vočadlo L, Knight K S, Dobson D P, Marshall W G, Price G D, Brodholt J (2004) Thermal expansion and crystal structure of cementite, Fe₃C, between 4 and 600 K determined by time-of-flight neutron powder diffraction, Journal of Applied Crystallography, 37, 82-90

David B, Schneeweiss O, Mashlan M, Šantavá E, Morjan I (2007) Low-temperature magnetic properties of Fe₃C/iron oxide nanocomposite, Journal of Magnetism and Magnetic Materials, 316, 422-425

Mitchell R H, Welch M D, Chakhmouradian A R (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition, Mineralogical Magazine, 81, 411-461 [view file]