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Structural Data for Sudoite

Published online by Cambridge University Press:  02 April 2024

Cheng-yi Lin  and
S. W. Bailey
Cheng-yi Lin*
Affiliation:
Department of Geology and Geophysics, University of Wisconsin, Madison, Wisconsin 53706
S. W. Bailey
Affiliation:
Department of Geology and Geophysics, University of Wisconsin, Madison, Wisconsin 53706
*
1Present address: Center of Materials Analysis, Nanjing University, China.
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Abstract

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Single crystals of sudoite from Ottré, Belgium, allow confirmation of a dioctahedral 2:1 layer and a trioctahedral interlayer in a IIb arrangement. A regular 2-layer s structure is formed in which the octahedral stagger within both 2:1 layers is directed along X1 and adjacent layers are alternately displaced by a2/3 and a3/3. Poor quality crystals and twinning prevented three-dimensional refinement. One-dimensional refinement suggests that the smaller d(001) value of dioctahedral chlorites relative to trioctahedral species is due primarily to the thinner dioctahedral sheet.

Keywords

ChloriteCrystal structureSudoiteSymmetryVermiculite
Type
Research Article
Information
Clays and Clay Minerals , Volume 33 , Issue 5 , October 1985 , pp. 410 - 414
Copyright
Copyright © 1985, The Clay Minerals Society

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