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Start Over Subjects Crystallography ✖Remove constraint Subjects: Crystallography Titles The vermiculites: their crystallographic and chemical relations to the micas : together with a discussion of the cause of the variation of the optical angle in these minerals ✖Remove constraint Titles: The vermiculites: their crystallographic and chemical relations to the micas : together with a discussion of the cause of the variation of the optical angle in these minerals

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  • The vermiculites: their crystallographic and chemical relations to the micas : together with a discussion of the cause of the variation of the optical angle in these minerals1