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Quasipollucites and their mixed frameworks, block isomorphism, and superstructures

Quasipollucites and their mixed frameworks, block isomorphism, and superstructures Abstract The structure type of analcime (ANA) is interpreted based on the basic block: a six-membered ring of tetrahedra which is generated by two template cations. The uncertainties in the composition and/or structure of alumophosphate, ferrisilicate, and titanosilicate pollucites, which are complicated by adding H2O molecules and (OH)− or O2− anions, are eliminated. The block isomorphism and formation of super-structures in these pollucites is discussed. In view of the transformation of tetrahedral ANA frameworks into mixed ones, we propose that they be considered analcimoidal (quasipollucites). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Quasipollucites and their mixed frameworks, block isomorphism, and superstructures

Crystallography Reports , Volume 54 (5): 7 – Sep 1, 2009

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References (12)

Publisher
Springer Journals
Copyright
2009 Pleiades Publishing, Ltd.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774509050083
Publisher site
See Article on Publisher Site

Abstract

Abstract The structure type of analcime (ANA) is interpreted based on the basic block: a six-membered ring of tetrahedra which is generated by two template cations. The uncertainties in the composition and/or structure of alumophosphate, ferrisilicate, and titanosilicate pollucites, which are complicated by adding H2O molecules and (OH)− or O2− anions, are eliminated. The block isomorphism and formation of super-structures in these pollucites is discussed. In view of the transformation of tetrahedral ANA frameworks into mixed ones, we propose that they be considered analcimoidal (quasipollucites).

Journal

Crystallography ReportsSpringer Journals

Published: Sep 1, 2009

Keywords: Crystallography and Scattering Methods

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