Muscovite Liang J, Hawthorne F C, Swainson I P The Canadian Mineralogist 36 (1998) 1017-1027 Triclinic muscovite: X-ray diffraction, neutron diffraction and photo-acoustic FTIR spectroscopy Sample: room temperature _database_code_amcsd 0005549 5.1918 9.0153 20.0457 90 95.735 90 C2/c atom x y z occ Al .2501 .0838 .0001 .98 Fe .2501 .0838 .0001 .01 Mn .2501 .0838 .0001 .01 SiT1 .4650 .9291 .1356 .77 AlT1 .4650 .9291 .1356 .23 SiT2 .4514 .2581 .1356 .77 AlT2 .4514 .2581 .1356 .23 K 0 .0978 .25 .89 Na 0 .0978 .25 .10 Rb 0 .0978 .25 .01 H1 .3656 .6560 .0522 H2 .3883 .6380 .0720 O1 .4172 .0929 .1682 O2 .2505 .8106 .1577 O3 .2504 .3702 .1686 O4 .4609 .9428 .0534 O5 .3859 .2514 .0534 Oh .4566 .5628 .0502