Several dates from the history of crystallography

Voytekhovsky Yu. L.

Zapiski RMO (Proceedings of the Russian Mineralogical Society). 2019. V. 148. N 4. P. 46-52

https://doi.org/10.30695/zrmo/2019.1484.03

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Language: Russian

Abstract

The article is devoted to significant dates from the history of crystallography, celebrated in 2019. They are mainly associated with the publication of fundamental scientific works (N. Stenon, M. V. Lomonosov, A. Bravais, E. Mallard, L. Sohncke, H. Heesch) and reflect the steady development of crystallography. On the other hand, they show failed discoveries. In particular, the idea of antisymmetry by H. Heesch is already contained in the bud by A. Bravais. It could be obtained by comparing his «direct and inverse half-forms» of crystal polyhedron. The possibility of such unexpected associations is due to the high degree of mathematization of modern crystallography.

Key words: history of crystallography, crystalline polyhedron, symmetry, dissymmetry, antisymmetry