Phlogopite Brigatti M F, Medici L, Saccani E, Vaccaro C American Mineralogist 81 (1996) 913-927 Crystal chemistry and petrologic significance of Fe3+-rich phlogopite from the Tapira carbonatite complex, Brazil Sample: Tpq16-4A _database_code_amcsd 0001818 5.338 9.247 10.300 90 99.96 90 C2/m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si .0758 .16666 .22749 .73 .0129 .0042 .0033 .0001 .0013 0 Al .0758 .16666 .22749 .18 .0129 .0042 .0033 .0001 .0013 0 Fe .0758 .16666 .22749 .09 .0129 .0042 .0033 .0001 .0013 0 Ti1 0 0 .5 .01 .0123 .0039 .0034 0 .0012 0 Fe1 0 0 .5 .11 .0123 .0039 .0034 0 .0012 0 Mg1 0 0 .5 .88 .0123 .0039 .0034 0 .0012 0 Ti2 0 .3325 .5 .01 .0118 .0038 .0035 0 .0013 0 Fe2 0 .3325 .5 .11 .0118 .0038 .0035 0 .0013 0 Mg2 0 .3325 .5 .88 .0118 .0038 .0035 0 .0013 0 K 0 .5 0 .99 .0318 .0105 .0053 0 .0020 0 O1 .0106 0 .1711 .0280 .0072 .0039 0 .0003 0 O2 .3301 .2268 .1708 .0241 .0088 .0039 -.0024 .0021 -.0006 O3 .1300 .1670 .3910 .0122 .0041 .0032 .0000 .0011 .0000 OH4 .1327 .5 .3980 .93 .0117 .0040 .0033 0 .0012 0 F4 .1327 .5 .3980 .04 .0117 .0040 .0033 0 .0012 0 O4 .1327 .5 .3980 .03 .0117 .0040 .0033 0 .0012 0