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首页> 外文期刊>Crystallography reports >Topolology-Symmetry Law of Structure of Natural Titanosilicate Micas and Related Heterophyllosilicates Based on the Extended OD Theory: Structure Prediction
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Topolology-Symmetry Law of Structure of Natural Titanosilicate Micas and Related Heterophyllosilicates Based on the Extended OD Theory: Structure Prediction

机译:基于扩展OD理论的天然钛硅酸盐云母和相关杂叶硅酸盐结构的拓扑对称性定律:结构预测

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摘要

A topology-symmetry analysis of the structures in the family of titanosilicate micas and related heterophyllosilicates based on the extended OD theory reveals their kinship with the family of rhodezite, delhayelite, and other minerals that had been analyzed earlier by distinguishing sheets common for all the structures. Like in the family studied earlier, the structural variety of a more complex titanosilicate family is determined by different local symmetries of sheets. Sheets consist of central O layers of edge-sharing octahedra and H layers formed by tetrahedra connected into diortho groups and Ti(Nb,Fe) semioctahedra (octahedra).
机译:基于扩展OD理论对钛硅酸盐云母和相关杂叶硅酸盐家族结构的拓扑对称性分析显示,它们与菱镁矿,辉沸石和其他矿物家族的亲缘关系已通过区分所有结构常见的薄片而进行了分析。像之前研究的家族一样,一个更复杂的钛硅酸盐家族的结构多样性由片材的不同局部对称性决定。薄板由边缘共享的八面体的中心O层和四面体连接成Diortho组和Ti(Nb,Fe)半八面体(八面体)形成的H层组成。

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