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- Title
Introduction to Crystallography. By Frank Hoffmann. Springer, 2020. Hardback, pp. x+309. Price GBP 59.99. ISBN 9783030351090.
- Authors
Nespolo, Massimo
- Abstract
Symmetry elements and symmetry operations are sometimes mixed up and this makes the reading somewhat disturbing. For example, we read on page 22 that "the unit cell contains all symmetry elements of the crystal", which is clearly meaningless, the unit cell being finite but the crystal structure infinite (well, ignoring the surface of course). In the same way, the following page states that by translating the unit cell, "no additional symmetry element can appear", while of course infinitely many new symmetry elements arise, although all of the same type as those spanning the unit cell. Nodifferenceismadebetweenacrystallographic(type of) point group and the corresponding (geometric) crystal class. Unfortunately, some inconsistencies affect the presentation, like considering ½uv0 and [uv0] as two separate directions (page 113), or stating that "All symmetry elements are shown in Fig.
- Subjects
CRYSTALLOGRAPHY; POUND sterling; CRYSTAL symmetry; GRAPH theory; CRYSTAL morphology
- Publication
Acta Crystallographica. Section A, Foundations & Advances, 2021, Vol 77, Issue 3, p235
- ISSN
2053-2733
- Publication type
Book Review
- DOI
10.1107/S2053273321002795