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McConnell, J. D. C., Lima-de-Faria, J. (1961) Electron-optical and electron-diffraction study of a disordered structural state in the transformation goethite-hematite (Plate XX) Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254) 898-901 doi:10.1180/minmag.1961.032.254.04

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Reference TypeJournal (article/letter/editorial)
TitleElectron-optical and electron-diffraction study of a disordered structural state in the transformation goethite-hematite (Plate XX)
JournalMineralogical Magazine and Journal of the Mineralogical Society
AuthorsMcConnell, J. D. C.Author
Lima-de-Faria, J.Author
Year1961 (September)Volume32
Issue254
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_32/32-254-898.pdf+
DOIdoi:10.1180/minmag.1961.032.254.04Search in ResearchGate
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Mindat Ref. ID5635Long-form Identifiermindat:1:5:5635:3
GUID0
Full ReferenceMcConnell, J. D. C., Lima-de-Faria, J. (1961) Electron-optical and electron-diffraction study of a disordered structural state in the transformation goethite-hematite (Plate XX) Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254) 898-901 doi:10.1180/minmag.1961.032.254.04
Plain TextMcConnell, J. D. C., Lima-de-Faria, J. (1961) Electron-optical and electron-diffraction study of a disordered structural state in the transformation goethite-hematite (Plate XX) Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254) 898-901 doi:10.1180/minmag.1961.032.254.04
In(1959) Mineralogical Magazine Vol. 32 (254) Mineralogical Society
Abstract/NotesSummaryPrevious X-ray observations by J. Lima-de-Faria and P. Gay on the transformation goethite-hematite indicate that in the process of state change at low temperatures, maxima of scattered X-ray intensity occur as satellites to strong and diffuse Bragg maxima due to hematite. These maxima define a repeat distance of about 32 Ã…. Corresponding satellite maxima have been observed using electron diffraction technique and satellite maxima flanking the direct beam (000) have been used to obtain a direct electron optical image of the disordered state at high magnification. Such photographs show a mainly regular fringe system with spacing of approximately 30 Ã…. Dislocation patterns were also observed.


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