|
Figure 2
Six-membered ring of [SiO4]-tetrahedra in the unmodulated 3d-average structure in a view along the c-axis (a) and ca along the a-axis (b). |
|
Figure 2
Six-membered ring of [SiO4]-tetrahedra in the unmodulated 3d-average structure in a view along the c-axis (a) and ca along the a-axis (b). |