|
Figure 3
Topology of the [Si8O20]8− tube in calcinaksite: polyhedral (a) and graph (b) representation. Dotted lines show the linkage of two vlasovite-type chains. |
|
Figure 3
Topology of the [Si8O20]8− tube in calcinaksite: polyhedral (a) and graph (b) representation. Dotted lines show the linkage of two vlasovite-type chains. |