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Figure 16
Comparison of structural motifs in stibnite and kermesite. (a) Stibnite: projection along the ribbons of pyramids. Here the ribbons are not parts of any layer, cf. the corresponding projection of kermesite in Fig. 3[link](b). (b) Detail of the ribbon of stibnite; note the rectangular bases of the pyramids and uniform lateral shifts of central atoms. (c) The corresponding portion of the ribbon of kermesite (note generally quadrangular and corrugated bases of pyramids) with alternating lateral shifts of central atoms and adjacent ribbon of lozenges (cf. Fig. 2[link] also showing a large portion of the structure). The ribbons in structures of bismuthinite, aikinite and aikinite derivatives are quite analogous with stibnite; however, they contain different central atoms.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 69| Part 6| October 2013| Pages 570-583
doi:10.1107/S2052519213024238
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