Crystal Structure, Mineralogy, and Geochemistry of Scapolite

Dear Colleagues,

Minerals of the scapolite group (“scapolites” below) are common rock-forming aluminosilicates that occur in a wide variety of metamorphic and altered igneous rocks. Their wide distribution in metamorphic terrains, as well as their high stability over a wide range of pressures and temperatures, make them potential geothermometers and geobarometers. The volatile components in scapolites indicate that they may play a natural role in the capture and storage of greenhouse gases.

Scapolites have well-pronounced crystal chemical complexity, and some questions in this field of study have not yet found an unequivocal answer. Among the most important questions in this regard are those related to the elucidation of possible isomorphic substitutions in scapolite solid solutions, the relationship between chemical composition and crystal structure characteristics (choice of space group, presence or absence of phase transitions, antiphase boundaries), and the classification of the members of this group.

This Special Issue aims to present new mineralogical, geochemical, and structural studies on scapolites, as well as to provide an arena for collaboration and knowledge exchange between authors working with this fascinating group of minerals. We encourage submissions that present fundamental and applied research extending the current understanding of scapolite mineralogy.

Dr. Milen Kadiyski
Prof. Dr. Vladislav Kostov-Kytin
Guest Editors

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• scapolite group
• marialite–melonite series
• Si-Al ordering
• crystal structure
• X-ray diffraction
• Raman spectroscopy