Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2015 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : R1-06
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R1: Characterization and description of minerals
Up to three coexisting Rb-lepidolites(1M) in hydrothermally synthetic rubidium Li–Al lepidolite series micas: an X-ray powder Rietveld refinement
*Kiyotaka Ishida
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Abstract

X-ray diffraction Rietveld structure-refinement data for synthetic Rb-lepidolite(1M) micas in the Rb-polylithionite (abbreviated here as Rb-pol) – rubidium trilithionite (Rb-tri) – rubidium ephesite (Rb-eph) join, Rb(Li2-xAl1+x)(Si4-2xAl2x)O10(OH/OD,F)2 (x = 0.0–1.0), are reported. As fluoro-rubidium–polylithionite and hydroxyl-rubidium–ephesite end members are stable, up to three micas are in coexistence in this series. Crystal chemical and structural parameters for intermediate rubidium-trilithionites varies continuously, but the F2RbPol- and RbEph-end members crytal-structural parameters are rather of constant.

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© 2015 Japan Association of Mineralogical Sciences
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