Duality in description of the twins’ symmetry

A. I. Glazov

Zapiski RMO (Proceedings of the Russian Mineralogical Society). 2018. V. 147. N 6. P. 133-135


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Language: Russian


Various forms of symmetry representation of contact twins and twinning laws are discussed. It is shown that when applying the faces of individuals to the stereographic projection, the twinning law can differ from the visually determined one. This factor depends on the structural peculiarities of twins.

Key words: symmetry, twins, structure.