Dicalcium Sodium Fluoride Silicate

The title compound, Ca₂NaF(SiO₄), can be regarded as the sodium-rich end member of a series of solid-solution compounds related to tricalcium silicate (Ca₃SiO₅ or Ca₂SiO₄.CaO). The chemical formula of the series may be represented as Ca₂SiO₄.(CaO)_1 - x.(NaF)_x and the title compound has x close to 1. The structure of the title compound is closely related to that of tricalcium silicate and other related compounds.

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