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Comment on “An experimental study of symmetry lowering of analcime”

Abstract : In a recent article (Phys Chem Minerals. https ://doi.org/10.1007/s0026 9-017-0922-1, 2018), analcime hydrothermally synthesized from a gel and then reheated was reported to have undergone a loss of symmetry to Ibca. We show that the reheated samples, reported as different, are identical to each other and actually tetragonal. The fact that the tetragonal axis was oriented along the a or b vector in the two reheated samples instead of the c vector as in the conventional setting seems to have been the cause of the misinterpretation of the diffraction pattern.
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https://hal.univ-lorraine.fr/hal-01719808
Contributor : Massimo Nespolo <>
Submitted on : Wednesday, February 28, 2018 - 2:59:29 PM
Last modification on : Thursday, February 25, 2021 - 10:00:02 AM
Long-term archiving on: : Monday, May 28, 2018 - 6:32:50 PM

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Massimo Nespolo. Comment on “An experimental study of symmetry lowering of analcime”. Physics and Chemistry of Minerals, Springer Verlag, 2018, 45 (4), pp.391-393. ⟨10.1007/s00269-018-0951-4⟩. ⟨hal-01719808⟩

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