Water in zeolites of natrolite group and its OH-stretching region in Raman spectroscopy

26 August 2024, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Natrolite, Na2(Si3Al2)O10·2H2O, is a member of a group of zeolite minerals, made of hydrated aluminosilicate minerals. Due to their structure, zeolites have channels, through which water and ions can move. In the RRUFF database, we find the following members of the group: natrolite, mesolite, scolecite, and gonnardite. In the database, Raman spectra are provided where we can easily observe the OH-stretching region of water. We propose the deconvolutions in q-Gaussian functions of these spectra, comparing the obtained results with those available from literature. A review of literature about natrolite is also proposed.

Keywords

Natrolite group minerals
Natrolite
Mesolite
Scolecite
Gonnardite
Raman spectroscopy
q-Gaussian functions
Tsallis statistics
Hydroxyl-stretching Raman region
OH-stretching Raman region
Water ferroelectricity
Thomsonite
Edingtonite
Zeolite

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