Bond topology of chain, ribbon and tube silicates. Part II. Geometrical analysis of infinite 1D arrangements of (TO4)n− tetrahedra

Day, M.C.; Hawthorne, F.C.; Rostami, A.

doi:10.1107/S2053273324002432

Acta Crystallographica Section A
Acta Crystallographica
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Figure 26
(a) A ball-and-stick representation of the ¹T₂³T₂ chain in astrophyllite-supergroup minerals and the structure of astrophyllite showing (b) the H sheet (and I-block cations); (c) the HOH block, I block and O sheet. The A and B cations are shown as grey and green circles, respectively. The D cations are shown as purple Ti octahedra and the Fe octahedra of the O sheet are shown in pink. H atoms are shown as red circles. Dashed black lines show the geometrical repeat unit of the chain.

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ISSN: 2053-2733

Volume 80| Part 3| May 2024| Pages 258-281

https://doi.org/10.1107/S2053273324002432

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