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Od-Interpretation of Kaolinite-Type Structures—II: The Regular Polytypes (MDO-Polytypes) and Their Derivation

Published online by Cambridge University Press:  01 July 2024

K. Dornberger-Schiff
Affiliation:
Central Institute of Physical Chemistry, Academy of Sciences of the German Democratic Republic, Rudower Chaussee 5, Berlin-Adlershof, 1199, GDR
S. Ďurovič
Affiliation:
Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dúbravská cesta 5, 809 34 Bratislava, Czechoslovakia

Abstract

All MDO-polytypes (i.e. regular polytypes) of trioctahedral, dioctahedral and monoctahedral 1:1 phyllosilicates are derived from their OD-character using the results of our preceding paper. The terms ‘simple polytype’, ‘standard polytype’ and ‘regular polytype’ turn out to be synonyms of the term ‘MDO-polytype’ which has the advantage of being exactly defined. The method used to obtain the MDO-polytypes is also applicable to more complicated cases.

Type
Research Article
Copyright
Copyright © 1975, The Clay Minerals Society

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References

Dornberger-Schiff, K. and Ďurovič, S., (1975) OD-interpre-tation of kaolinite-type structures—I. Symmetry of kao-linite packets and their stacking possibilities Clays and Clay Minerals 23 219229.CrossRefGoogle Scholar
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