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Hsianghualite : ウィキペディア英語版 | Hsianghualite
Hsianghualite is a tectosilicate (framework silicate) of lithium, calcium and beryllium, with fluorine, a member of the zeolite group. It was discovered in 1958 and named for the type locality, Hsiang Hua, 香花, meaning fragrant flower. ==Structure== Structure is analogous to that of analcime with Be and Si in tetrahedral co-ordination forming a three-dimensional framework.〔Gaines et al (1997) Dana's New Mineralogy Eighth Edition〕 Its space group is I213〔 (Previously reported as I4132〔). Unit cell parameters are a = 12.879 or 12.897,〔〔 and Z = 8.
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