Crystal Geometry. II

  • M. F. C. Ladd
  • R. A. Palmer


In this chapter, we continue our study of crystal geometry by investigating the internal arrangements of crystalline materials. Crystals are characterized by periodicities in three dimensions. An atomic grouping is repeated over and over again by a certain symmetry mechanism so as to build up a crystal, and thus we are led to a consideration of space-group symmetry. A space-group pattern in its simplest form may be considered to be derived by repeating a motif having a crystallographic point-group symmetry by the translations of a lattice, and so it is appropriate to examine lattices next.


Point Group Reciprocal Lattice Equivalent Position Symmetry Element Plane Group 
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Lattices and Space Groups

  1. Hahn, T. (Editor), International Tables for Crystallography, Vol. A, Dordrecht, D. Reidel (1983).Google Scholar
  2. Henry, N. F. M, and Lonsdale, K. (Editors), International Tables for X-Ray Crystallography, Vol. I, Birmingham, Kynoch Press (1965).Google Scholar

Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • M. F. C. Ladd
    • 1
  • R. A. Palmer
    • 2
  1. 1.University of SurreyGuildfordEngland
  2. 2.Birkbeck CollegeUniversity of LondonLondonEngland

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