Indium-fluor-eckermannite Raudsepp M, Turnock A C, Hawthorne F C American Mineralogist 72 (1987) 959-964 Characterization of cation ordering in synthetic scandium-fluor-eckermannite, indium-fluor-eckermannite, and scandium-fluor-nyboite by Rietveld structure refinement Sample: FInEC-A3 _database_code_amcsd 0001116 9.8527 18.0966 5.2928 90 103.521 90 C2/m atom x y z occ Biso O1 .1188 .0844 .222 .8 O2 .1164 .1657 .721 .8 F3 .106 0 .716 .8 O4 .3575 .2453 .789 .8 O5 .3548 .1261 .083 1.1 O6 .3439 .1173 .586 1.1 O7 .347 0 .292 1.2 Si1 .2848 .0840 .2905 .4 Si2 .2880 .1678 .7957 .4 Mg1 0 .0846 .5 .6 Mg2 0 .1822 0 .519 .6 In2 0 .1822 0 .481 .6 Mg3 0 0 0 .6 Na4 0 .2759 .5 .9 NaA .029 .5 .077 .5 2.3