ELUCIDATION OF THE ULTRASTRUCTURE OF SILICATE MINERALS BY HIGH RESOLUTION ELECTRON MICROSCOPY AND X-RAY EMISSION MICROANALYSIS.

J. M. Thomas, D. A. Jefferson, L. G. Mallinson, D. J. Smith, E. Sian Crawford

Research output: Contribution to journalConference article

19 Scopus citations

Abstract

High resolution images have been recorded for a variety of silicate minerals, including the pyroxenoids (wollastonite and rhodonite), amphiboles, serpentines and several layered minerals. Structural images displaying resolution of interatomic distances of 2. 7 A and upwards have led to: (i) the discovery of new topologies such as multiple chain structures that coexist within an amphibole matrix (as in nephrite jade); (ii) a correlation betwen local compositions and polytypic variants in certain sheet silicates, and to the elucidation of problems associated with nonrandom disorder and the discovery of new polytypes in others; and (iii) elucidation of the atomic structure of various kinds of structural imperfections.

Original languageEnglish (US)
Pages (from-to)167-179
Number of pages13
JournalChemica scripta
Volume14
Issue number1-5
StatePublished - Jan 1 1979
Externally publishedYes
EventSpec Issue, Nobel Symp 47, Direct Imaging of At in Cryst and Mol - Lidingo, Swed
Duration: Aug 6 1979Aug 10 1979

ASJC Scopus subject areas

  • Engineering(all)

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