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Eulytite,Bi_4(SiO_4)_3是一种立方体矿物(空间群d),具有不规则的(BiO_5)多面体和(SiO_4)四面体。当用 P 置换 Si 时,对于4Bi 电荷平衡(3A~(2+)+Ln~(3+))是可能的。Eulytites 结构的磷
Eulytite, Bi_4 (SiO_4) _3 is a cubic mineral (space group d) with irregular (BiO_5) polyhedrons and (SiO_4) tetrahedra. When Si is replaced by P, charge balance (3A ~ (2 +) + Ln ~ (3+)) is possible for 4Bi. Eulytites structure of phosphorus