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 27
(a) A ball-and-stick representation of the ²T₂³T₂ chain in amphibole-supergroup minerals. The structure of richterite projected (b) in the a* direction, and (c) along the c axis where the M1–M3 cations are shown as yellow Mg octahedra and the M4 and A2/A(m) cations are shown as green and grey circles, respectively. 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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