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Figure 47
(a) The faces of a calaverite crystal may be indexed with four indices, in agreement with the aperiodic crystal structure (Dam et al., 1985 ). (b) The faces of a rhombic triacontahedron with icosahedral symmetry need six indices for their indexing, in agreement with the dimension of the superspace embedding. |


journal menu![[Figure 47]](dq5009fig47.jpg)




