Muscovite Comodi P, Zanazzi P F Physics and Chemistry of Minerals 22 (1995) 170-177 High-pressure structural study of muscovite Sample: K-Ms, P = 0.05 GPa _database_code_amcsd 0007908 5.194 9.013 20.064 90 95.8 90 C2/c atom x y z occ Uiso K 0 .0984 .25 .90 .0232 Na 0 .0984 .25 .07 .0232 Ba 0 .0984 .25 .01 .0232 AlM2 .2491 .0830 .0005 .92 .0075 TiM2 .2491 .0830 .0005 .02 .0075 FeM2 .2491 .0830 .0005 .04 .0075 MgM2 .2491 .0830 .0005 .02 .0075 SiT1 .9653 .4301 .1350 .76 .0071 AlT1 .9653 .4301 .1350 .24 .0071 SiT2 .4511 .2587 .1351 .76 .0079 AlT2 .4511 .2587 .1351 .24 .0079 O1 .9623 .4446 .0510 .0090 O2 .3832 .2508 .0536 .0096 O3 .4154 .0939 .1688 .0152 O4 .7500 .3100 .1576 .0172 O5 .2504 .3706 .1704 .0121 Oh .9580 .0623 .0519 .0105 H .118 .143 .439 .200