Muscovite Liang J, Hawthorne F C The Canadian Mineralogist 34 (1996) 115-122 Rietveld refinement of micaceous materials: muscovite-2M1, a comparison with single-crystal structure refinement Sample: single-crystal refinement _database_code_amcsd 0005485 5.180 8.993 20.069 90 95.69 90 C2/c atom x y z occ Uiso Al .2510 .0838 .0000 .965 .0071 SiT1 .4514 .2582 .1355 .944 .0081 SiT2 .0345 .4295 .3646 .942 .0078 K 0 .0986 .25 .894 .0226 OH .0429 .0617 .4501 .0135 O1 .3836 .2511 .0536 .0136 O2 .0380 .4447 .4463 .0134 O3 .4128 .0925 .1682 .0189 O4 .2516 .3726 .1688 .0189 O5 .2469 .3083 .3426 .0208