Figure 4.6.3.30

Steurer, W.; Haibach, T.

doi:10.1107/97809553602060000568

International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

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International Tables for Crystallography (2006). Vol. B. ch. 4.6, p. 511 | 1 | 2 |

Figure 4.6.3.30

W. Steurer^a ^* and T. Haibach^a

^aLaboratory of Crystallography, Swiss Federal Institute of Technology, CH-8092 Zurich, Switzerland
Correspondence e-mail: w.steurer@kristall.erdw.ethz.ch

Figure 4.6.3.30

The two unit tiles of the 3D Penrose tiling: a prolate $[[\alpha_{p} = \hbox{arc} \cos (5^{-1/2}) \simeq 63.44^{\circ}]]$ and an oblate $[(\alpha_{o} = 180^{\circ} - \alpha_{p})]$ rhombohedron with equal edge lengths $[a_{r}]$ .