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The Seven Crystal Systems

  • Walter Borchardt-Ott

Abstract

In the various lattices, the vectors \( \vec a, \vec b \) , and \( \vec c \) must be chosen and associated with a system of suitable crystallographic axes, a, b, c. This is not done arbitrarily. Generally, so far as is possible, the choices are made so that the direction of rotation axes, rotoinversion axes and the normals to mirror planes are parallel to \( \vec a, \vec b, \vec c \) and to a, b, c:
$$ \vec a, \vec b, \vec c; abc//X, \bar X, normal to m. $$

Keywords

Crystal System High Symmetry Axial Ratio Crystallographic Axis Symmetry Element 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Walter Borchardt-Ott
    • 1
  1. 1.Institute of MineralogyUniversity of MünsterMünsterGermany

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