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Vermiculites hydratees a une couche

Published online by Cambridge University Press:  09 July 2018

C. De La Calle
Affiliation:
Instituto de Quimica Inorganica Elhuyar, Serrano 113, Madrid 6, Espagne
H. Suquet
Affiliation:
Laboratoire de Chimie des Solides, ER 133, CNRS, Université P. et M. Curie, 4 Place Jussieu, 75230 Paris Cedex 05, France
H. Pezerat
Affiliation:
Laboratoire de Chimie des Solides, ER 133, CNRS, Université P. et M. Curie, 4 Place Jussieu, 75230 Paris Cedex 05, France

Resume

Les hydrates à une couche des vermiculites présentent cinq modes d'empilement. Aux cations de petit et de grand rayon ionique (Li et Ba) correspondent des modes d'empilement particuliers. Les cations (Na, Mg, Ca et Sr) conduisent chacun à deux modes d'empilement correspondant à deux stades différents d'hydratation.

Abstract

Abstract

The one-water-layer vermiculites present five layer-stacking types. Two particular layer-stacking types correspond to cations of small (Li) and large (Ba) ionic radius. The cations Na, Mg, Ca and Sr induce two layer-stacking types corresponding to two different hydration states.

Information

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1985

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