稀土离子位于双硅酸根和八面体层之间，形成（ 8+3 ）配位的A（ 1）多面体和10配位的A（ 2 ）多面体。
The rare earth ions lie between the disilicate groups and the sheets of octahedra to form (8+3)-coordinated A(1)-polyhedra and 10-coordinated A(2)-polyhedra.
一层水合物中可以观察到三种阳离子都能和四面体电荷与八面体电荷位置分别形成内、外配位作用。
Inner- and outer-sphere surface complexes of all such three cations with tetrahedral and octahedral charge sites were observed in the one-layer hydrates.
间层结构中，结构层对于八面体片是不对称的，并在属性上表现出极性特征；
The structural layer is symmetrical for octahedron sheet in the structure of interstratified minerals and shows polarity characteristics.
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