Lanthanum gallium silicate

（重定向自Langasite）

Lanthanum gallium silicate (referred to as LGS in this article), also known as langasite, has a chemical formula of the form A₃BC₃D₂O₁₄, where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C and D are tetrahedral sites coordinated by 4 oxygen atoms. In this material, lanthanum occupied the A-sites, gallium the B, C and half of D-sites, and, silicon the other half of D-sites. The crystal structure is shown below:

单词	Langasite
释义	Langasite 英语百科 Lanthanum gallium silicate （重定向自Langasite） Lanthanum gallium silicate (referred to as LGS in this article), also known as langasite, has a chemical formula of the form A₃BC₃D₂O₁₄, where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C and D are tetrahedral sites coordinated by 4 oxygen atoms. In this material, lanthanum occupied the A-sites, gallium the B, C and half of D-sites, and, silicon the other half of D-sites. The crystal structure is shown below:
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