What question did this study set out to answer?

This analysis aims to assess the distribution of crystal structures among minerals and identify changes over time.

April 30, 2026

Space Groups and Symmetry Classes: Frequency Distribution in Structural Mineralogy—New Data

NEN. N. EreminLomonosov Moscow State University TET. A. EreminaLomonosov Moscow State University ОГО. А. ГурбановаLomonosov Moscow State University

Puntos clave

This analysis aims to assess the distribution of crystal structures among minerals and identify changes over time.
Analyzed crystal structures of 6006 minerals across syngonies, symmetry classes, and space groups.
Compared findings to similar datasets from the early 21st century.
All 32 symmetry classes are fully occupied by mineral structures.
The number of unoccupied space groups in structural mineralogy has decreased to 34.
For the first time, all symmetry space groups are shown to be fully occupied by inorganic crystals.

Resumen

A statistical analysis of the distribution of crystal structures of 6006 minerals across syngonies, symmetry classes, and space groups is presented. Significant changes relative to similar datasets from the early 21st century have been identified. It is shown that all 32 symmetry classes are fully occupied by mineral structures. The number of unoccupied space groups in structural mineralogy has decreased to 34. This study demonstrates for the first time that all symmetry space groups are fully occupied by inorganic crystals.

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