Phengite-2M1 Ivaldi G, Ferraris G, Curetti N, Compagnoni R European Journal of Mineralogy 13 (2001) 1025-1034 Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps): Chemical and polytypic zoning and structural characterisation Sample: 2M1G Locality: Cima Pal, Val Savenca, western Alps _database_code_amcsd 0006915 5.225 9.057 19.956 90 95.73 90 C2/c atom x y z occ Uiso KI 0 .09564 1/4 .99 .0254 NaI 0 .09564 1/4 .02 .0254 AlM2 .24663 .08226 .00003 .71 .0081 MgM2 .24663 .08226 .00003 .165 .0081 FeM2 .24663 .08226 .00003 .12 .0081 TiM2 .24663 .08226 .00003 .02 .0081 SiT1 .46349 .92899 .13551 .8625 .0083 AlT1 .46349 .92899 .13551 .1375 .0083 SiT2 .45222 .25859 .13555 .8625 .0092 AlT2 .45222 .25859 .13555 .1375 .0092 O1 .4469 .0934 .16886 .0159 O2 .2333 .8279 .16095 .0171 O3 .2329 .3552 .16929 .0161 O4 .4567 .9386 .05410 .0132 O5 .3946 .2515 .05413 .0133 O6 .4557 .5646 .05271 .0177 H .378 .629 .058 .07