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Figure 1 Projection of the crystal structure of langbeinite-type Rb2Ca2(SO4)3 approximately along [001]. The voids are visible, where the Rb+ cations (lavender spheres) are located. CaO6 octahedra are dark-grey and SO4 tetrahedra are light-grey. |
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Figure 1 Projection of the crystal structure of langbeinite-type Rb2Ca2(SO4)3 approximately along [001]. The voids are visible, where the Rb+ cations (lavender spheres) are located. CaO6 octahedra are dark-grey and SO4 tetrahedra are light-grey. |