Fluoro-eckermannite Structure Data

Fluoro-eckermannite Structure Data
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Fluoro-eckermannite

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Fluoro-eckermannite_2
Formula: Si8 Mg5.92 Ti.18 Na1.83 O22 F2
Name: Fluoro-eckermannite
Unit cell: 9.691 17.93 5.284 90.0 102.98 90.0 , V=894.69
Space group: C12/M1 (12)

Oberti R , Hawthorne F C , Camara F , Raudsepp M , American Mineralogist , 84 (1999) p.102-111, Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite, composition: Deviations from stoichiometry and structural effects of the, cummingtonite component, Sample: Ti, Na.85Na1.02Mg.98Mg4.83Ti.17Si8O22F2

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