High-Resolution Electron Microscopy of Muscovite

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Science  13 Sep 1968:
Vol. 161, Issue 3846, pp. 1135-1137
DOI: 10.1126/science.161.3846.1135


Images of the (001) planes of muscovite were observed by electron microscopy after embedment of clay-size flakes in epoxy resin and sectioning by ultramicrotome. Dislocation or growth planes were indicated. Incomplete exchange of potassium for barium produced zones with 20-angstrom periodicity, suggesting regular interstratification.

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