Muscovite Comodi P, Zanazzi P F Physics and Chemistry of Minerals 22 (1995) 170-177 High-pressure structural study of muscovite Sample: Na-Ms, P = 0.0001 GPa, in air _database_code_amcsd 0007910 5.165 8.964 19.798 90 95.4 90 C2/c atom x y z occ Uiso K 0 .0976 .25 .60 .0306 Na 0 .0976 .25 .37 .0306 AlM2 .2495 .0832 .0000 .92 .0102 TiM2 .2495 .0832 .0000 .01 .0102 FeM2 .2495 .0832 .0000 .05 .0102 MgM2 .2495 .0832 .0000 .02 .0102 SiT1 .9633 .4291 .1373 .76 .0140 AlT1 .9633 .4291 .1373 .24 .0140 SiT2 .4502 .2581 .1372 .76 .0137 AlT2 .4502 .2581 .1372 .24 .0137 O1 .9614 .4441 .0544 .0155 O2 .3839 .2509 .0543 .0152 O3 .4046 .0925 .1706 .0194 O4 .7531 .3054 .1593 .0223 O5 .2532 .3742 .1709 .0186 OH .9567 .0620 .0506 .0155