Crystal Chemistry of Sulfate Minerals and Synthetic Compounds

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Crystallography and Physical Chemistry of Minerals & Nanominerals".

Deadline for manuscript submissions: 28 February 2026 | Viewed by 546

Special Issue Editor


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Guest Editor
Institute of Geosciences, Christian Albrecht University of Kiel, 24118 Kiel, Germany
Interests: crystal chemistry; structural mineralogy; inorganic chemistry; X-ray diffraction; sulfate minerals and materials

Special Issue Information

Dear Colleagues,

The last few decades have seen a significant interest in sulfate minerals and synthetic compounds. Their role in the formation of industrially important deposits, evaporites, and active volcanic fumaroles draws attention to their behavior. The investigation of hydrated Mg, Fe, and Ca sulfates under non-ambient conditions provides insight into the physical and chemical conditions present on the surface of Mars, Galilean icy moons, and meteorites. Synthetic sulfate compounds are a broad class of materials with applications ranging from high-tech energy industries to biomedical and bioengineering fields. State-of-the-art X-ray diffraction techniques facilitate the precise examination of crystal structures of minerals and materials under diverse P-T conditions. In this Special Issue of Minerals, we invite contributions examining sulfate minerals and synthetic compounds, their crystal structures, HT/LT and HP behavior, and related aspects.

Dr. Artem S. Borisov
Guest Editor

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Keywords

  • sulfate minerals
  • sulfate materials
  • X-ray diffraction
  • non-ambient conditions
  • HT/LT behavior
  • phase stability
  • crystal chemistry

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Published Papers (1 paper)

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Research

18 pages, 4181 KiB  
Article
Crystal Structure Features, Spectroscopic Characteristics and Thermal Conversions of Sulfur-Bearing Groups: New Natural Commensurately Modulated Haüyne Analogue, Na6Ca2−x(Si6Al6O24)(SO42−,HS,S2●−,S4,S3●−,S52−)2−y
by Nikita V. Chukanov, Natalia V. Zubkova, Roman Yu. Shendrik, Anatoly N. Sapozhnikov, Igor V. Pekov, Marina F. Vigasina, Nadezhda A. Chervonnaya, Dmitry A. Varlamov, Nadezhda B. Bolotina, Dmitry A. Ksenofontov and Dmitry Yu. Pushcharovsky
Minerals 2025, 15(7), 709; https://doi.org/10.3390/min15070709 - 3 Jul 2025
Abstract
A multimethodic approach based on infrared, Raman, electron spin resonance and photoluminescence spectroscopy, absorption spectroscopy in near infrared, visible and ultraviolet regions, single-crystal X-ray diffraction as well as electron microprobe analyses was applied to the characterization of a new commensurately modulated cubic haüyne [...] Read more.
A multimethodic approach based on infrared, Raman, electron spin resonance and photoluminescence spectroscopy, absorption spectroscopy in near infrared, visible and ultraviolet regions, single-crystal X-ray diffraction as well as electron microprobe analyses was applied to the characterization of a new commensurately modulated cubic haüyne analogue with the modulation parameter of 0.2 and unit-cell parameter of 45.3629(3) Å (designated as haüyne-45Å) from the Malobystrinskoe lazurite deposit, in the Baikal Lake area, Siberia, Russia, as well as associated SO32−-bearing afghanite. Haüyne-45Å is the second member, after vladimirivanovite, of the sodalite group with a commensurately modulated structure. The average structure is based on the tetrahedral aluminosilicate sodalite-type framework with sodalite cages of different sizes. The simplified formula of haüyne-45Å is Na6Ca2−x(Si6Al6O24)(SO42−,HS,S2●−,S4,S3●−,S52−)2−y. The structural modulations of the haüyne-45Å framework are presumably related to the regular alternation of SO42− anions with polysulfide S2●−, S3●−, S4, and S52− groups detected by the spectroscopic methods. Mechanisms of thermal conversions of S-bearing groups in haüyne-45Å under oxidizing and reducing conditions at temperatures up to 800 °C are studied, and their geochemical importance is discussed. Full article
(This article belongs to the Special Issue Crystal Chemistry of Sulfate Minerals and Synthetic Compounds)
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