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Cliftonite

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Big Photo

Campo del Cielo meteorite, Gran Chaco, Chaco, Argentina
© J. A. Jaszczak




Formula:
C
Colour:greyHardness:1
A variety of Graphite

Cliftonite is an octahedral graphite pseudomorph after kamacite, or rather the spaces left between kamacite domains. Found in a few iron meteorites. Originally considered as a new allotrope of carbon, later considered to be a pseudomorph of graphite after diamond.

Classification of Cliftonite

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Occurrences of Cliftonite

Geological Setting:In iron meteorites.

Physical Properties of Cliftonite

Lustre:Sub-Metallic
Diaphaneity (Transparency):Opaque
Colour:grey
Streak:grey
Hardness (Mohs):1

Crystallography of Cliftonite

Morphology:Octahedra, either isolated or aggregated.

Chemical Properties of Cliftonite

Formula:
C
All elements listed in formula:C

Other Names for Cliftonite

Other Languages:
German:Cliftonit
Spanish:Cliftonita

Other Information

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

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    • Localities for Cliftonite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Chaco
      • Gran Chaco
    		Alfredo Petrov specimen
    Australia
     
    • Western Australia
      • Nullarbor Plain
    		Ramdohr, P. (1971): New forms of meteoritic graphite and possible relations to cliftonite. Naturwissenschaften 58(12), 613-615.
    China
     
    • Guangxi Zhuang Autonomous Region
      • Hechi Prefecture
        • Nandan Co.
          • Lihu - Yaochai area
    Mexico
     
    • Mexico
      • Jiquipilco (Xiquipilco)
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Slovakia
     
    • Žilina Region
      • Námestovo Co.
        • Námestovo
          • Slanica
    		Brezina A., 18??: Cliftonit aus dem Meteoreisen von Magura, Arvaer Comitat. - Annalen des k. k. naturhistorischen Hofmuseums, 4, 102-106. (in German)
    USA
     
    • Arizona
      • Coconino Co.
        • Winslow
          • Meteor Crater and vicinity
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 176; El Goresy, A. (1965), Mineralbestand und structuren der Graphit - Und Sulfideinschlüsse in Eisenmeteoriten. Geochim. Cosmochim. Acta: 29: 1131--1151; Brett, R. & G.T. Higgins (1967), Cliftonite in meteorites: A proposed origin. Science: 156: 819-820.; Space Science Reviews, Volume 14, Issue 6, pp.758-831
    • Texas
      • Ector Co.
        • Penwell
    		Meteoritics, Vol. 17, p.256
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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