| Reference Type | Journal (article/letter/editorial) |
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| Title | A comparative electron-diffraction study of sillimanite and some natural and artificial mullites |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Smith, D. G. W. | Author |
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| McConnell, J. D. C. | Author |
| Year | 1966 (June) | Volume | 35 |
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| Issue | 274 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_35/35-274-810.pdf+ |
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| DOI | doi:10.1180/minmag.1966.035.274.02Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 5975 | Long-form Identifier | mindat:1:5:5975:0 |
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| GUID | 0 |
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| Full Reference | Smith, D. G. W., McConnell, J. D. C. (1966) A comparative electron-diffraction study of sillimanite and some natural and artificial mullites. Mineralogical Magazine and Journal of the Mineralogical Society, 35 (274) 810-814 doi:10.1180/minmag.1966.035.274.02 |
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| Plain Text | Smith, D. G. W., McConnell, J. D. C. (1966) A comparative electron-diffraction study of sillimanite and some natural and artificial mullites. Mineralogical Magazine and Journal of the Mineralogical Society, 35 (274) 810-814 doi:10.1180/minmag.1966.035.274.02 |
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| In | (1965) Mineralogical Magazine Vol. 35 (274) Mineralogical Society |
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| Abstract/Notes | SummaryElectron-diffraction photographs of some natural and synthetic mullites and a typical sillimanite have been obtained and are interpreted using diffraction data due to Agrell and Smith. The position and diffuseness of mullite reflections (h0l) with l = ½ have been re-studied. In such reciprocal lattice sections maxima are symmetrically disposed in pairs about the positions of sillimanite reflections with l odd. They lie on a* rows and show different separations in the specimens studied. These diffraction conditions are closely analogous to those observed in the intermediate plagioclases (paired ‘e’ maxima) and in nepheline, and a similar explanation is envisaged in terms of antiphase domain structure. Intimate association of a mullite-type phase and sillimanite is shown to result from the breakdown of muscovite in a thermal metamorphic aureole, and a chemical analysis of a natural Fe,Ti-bearing mullite from a spinel-mullite buchite in the same aureole, is presented. |
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