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Cliftonite

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.

Internet Links for Cliftonite

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    Localities for Cliftonite

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    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.
    (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
    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
      • Oravská Magura Mts
        • Námestovo
          • Slanica
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    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
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 11th Oct 2009 16:52:21