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Anionic Clays: Trends in Pillaring Chemistry

  • André de Roy
  • Claude Forano
  • Khalid El Malki
  • Jean-Pierre Besse

Abstract

Minerals of the anionic clay family are reported by mineralogists since the beginning of this century: (Kurnakov and Chernykh 1926; Aminoff and Broomé 1930; Read and Dixon 1933; Frondel 1941). A great variety of names is used in relation to the composition and the nature of the polytypes of these minerals (hydrotalcite, manasseite, pyroaurite, sjögrenite, stichtite, takovite, honessite, meixnerite...); Drits et al. 1987 proposed a systematic nomenclature. Anionic clay minerals are relatively rare and are often associated with serpentinites in metamorphic formations. These minerals also occur in saline deposits which shows that high temperature and pressure conditions are not absolutely necessary for their genesis.

Keywords

Basal Spacing Organic Anion Interlamellar Spacing Sulfate Anion Microporous Material 
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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • André de Roy
    • 1
  • Claude Forano
    • 1
  • Khalid El Malki
    • 1
  • Jean-Pierre Besse
    • 1
  1. 1.Laboratoire de Physico-Chimie des Matériaux, U.R.A.- C.N.R.S. n° 444Université Blaise PascalAubiere CedexFrance

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