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Figure 1
Erionite structure consists of (A) 6-ring (D6R) cages, (B) columns of erionite cavities and (C) cancrinite (ɛ) cages.

IUCrJ
Volume 10| Part 4| July 2023| Pages 397-410
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523003500