Phengite Pavese A, Ferraris G, Prencipe M, Ibberson R European Journal of Mineralogy 9 (1997) 1183-1190 Cation site ordering in phengite 3T from the Dora-Maira massif (western Alps): a variable-temperature neutron powder diffraction study Note: at T = 893 K Locality: Dora-Maira massif, western Alps _database_code_amcsd 0006705 5.23169 5.23169 30.1227 90 90 120 P3_112 atom x y z occ Uiso K .127 .253 1/6 .063 AlM2 .455 .227 0 .95 .012 MgM2 .455 .227 0 .05 .012 AlM3 .780 .890 0 .47 .044 MgM3 .780 .890 0 .53 .044 SiT1 .791 .583 .0922 .786 .016 AlT1 .791 .583 .0922 .214 .016 SiT2 .472 .923 .0868 .027 O1 .750 .565 .0342 .030 O2 .492 .929 .0378 .025 O3 .638 .763 .1115 .028 O4 .126 .734 .1064 .048 O5 .602 .240 .1129 .067 O6 .124 .199 .0351 .040 H .147 .387 .0379 .089