%0 Journal Article %T From teaching experience. XVIII. Table of 27 symmetry species %A Voytehovskiy, Y.L. %K symmetry species and classes of crystals, compositions of symmetry elements, true and false inversion axes, limiting Curie symmetry groups %J Vestnik of geosciences %D 2025 %N 0 %P 7 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"