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Figure 2
The (Si2O52−)∞ layers in (a) β-K3NdSi6O15 and (b) α-K3NdSi6O15·2H2O as they appear in the actual structures. Integers in parentheses indicate the identity of the Si atom in the SiO4 tetrahedra. A pseudotranslation operation of 0 0 ½ is apparent in the layer of β-K3NdSi6O15.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 56| Part 3| June 2000| Pages 349-362
doi:10.1107/S0108768199015797
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