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Figure 4
Projection of the whole crystal structure of Rb2Ca2Si2O7 along [100]. Potassium and calcium cations are illustrated in green and orange, respectively. O atoms are shown in red. The sizes of the two-coloured segments of the M3 site are the percentages determined from the site-occupancy refinements. |

journal menu![[Figure 4]](ef3065fig4.jpg)
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