Phlogopite Comodi P, Fumagalli P, Montagnoli M, Zanazzi P F American Mineralogist 89 (2004) 647-653 A single-crystal study on the pressure behavior of phlogopite and petrological implications P = 0.0001 GPa _database_code_amcsd 0003534 5.337 9.240 10.237 90 100.02 90 C2/m atom x y z occ Uiso K 0 0 0 .91 .030 Ba 0 0 0 .03 .030 Na 0 0 0 .02 .030 SiT .5743 .1671 .225 .68 .0068 AlT .5743 .1671 .225 .32 .0068 MgM1 0 1/2 1/2 .72 .0068 FeM1 0 1/2 1/2 .28 .0068 MgM2 0 .8352 1/2 .73 .0045 FeM2 0 .8352 1/2 .27 .0045 O1 .831 .2264 .169 .021 O2 .507 0 .167 .023 O3 .631 .1674 .393 .004 O4 .129 0 .389 .05 .009 F4 .129 0 .389 .09 .009 OH4 .129 0 .389 .86 .009