The structure of denisovite, a fibrous nanocrystalline polytypic disordered `very complex' silicate, studied by a synergistic multi-disciplinary approach employing methods of electron crystallography and X-ray powder diffraction

Rozhdestvenskaya, I.V.; Mugnaioli, E.; Schowalter, M.; Schmidt, M.U.; Czank, M.; Depmeier, W.; Rosenauer, A.

doi:10.1107/S2052252517002585

Figure 5
[001] HAADF-STEM images of charoite: (a) An overview. (b) Enlarged part of panel (a). The circular contrast has three stronger spots marked by arrowheads. The arch-like contrast has intense spots at both ends (left rectangle) and resembles part of the circular contrast (right rectangle). It is thought that the arch-like unit consists of two pectolite chains forming xonotlite dreier double chains with formula [Si₆O₁₇]¹⁰⁻.

IUCrJ

Volume 4| Part 3| May 2017| Pages 223-242

ISSN: 2052-2525

https://doi.org/10.1107/S2052252517002585

MATERIALS | COMPUTATION

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