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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 | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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 |
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REFERENCES for Cohenite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Weinschenk E (1889) Ueber einige Bestandtheile des Meteoreisens von Magura, Arva, Ungarn, Annalen des Kaiserlich-Königlichen Naturhistorischen Hofmuseums, 4, 93-101 [view file] |
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Hendricks B S (1930) The crystal structure of cementite, Zeitschrift für Kristallographie, 74, 534-545 [view file] |
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Shimura S (1930) 82. A study on the structure of cementite, Proceedings of the Japan Academy, 6, 269-271 [view file] |
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Westgren A (1932) Cementitens kristallstruktur, Jernkontorets Annaler, 1932, 457-468 [view file] |
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Lipson H, Petch N J, (1940) The crystal structure of cementite, Fe3C, The Journal of the Iron and Steel Institute (London), 142, 95-103 |
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Löhberg K (1961) Der Zementit Fe3C als geordneter Substitutionsmischkristall, Naturwissenschaften, 48, 46-46 |
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Aronsson B, Rundqvist S (1962) Structural features of some phases related to cementite, Acta Crystallographica, 15, 878-887 |
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Gardin A I (1962) An electron-diffraction study of the structure of cementite, Soviet Physics - Crystallography, 7, 694-700 [view file] |
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Meinhardt D, Krisement O (1962) Strukturuntersuchungen an Karbiden des Eisens, Wolframs und Chroms mit thermischen Neutronen, Archiv für das Eisenhüettenwesen, 33, 493-499 |
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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] |
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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 |
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Fasiska E J, Jeffery G A (1965) On the cementite structure, Acta Crystallographica, 19, 463-471 |
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Brett R (1967) Cohenite: its occurrence and a proposed origin, Geochimica et Cosmochimica Acta, 31, 143-159 |
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Bird J M, Weathers M S (1977) Native iron occurrences of Disko Island, Greenland, The Journal of Geology, 85, 359-371 |
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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 |
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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 |
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David B, Schneeweiss O, Mashlan M, antavá E, Morjan I (2007) Low-temperature magnetic properties of Fe3C/iron oxide nanocomposite, Journal of Magnetism and Magnetic Materials, 316, 422-425 |
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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] |
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