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: Rietveld refinement (reflection mode) _database_code_amcsd 0005484 5.1805 8.994 20.086 90 95.740 90 C2/c atom x y z occ Al .246 .081 -.0012 .98 SiT1 .447 .256 .1346 .97 SiT2 .032 .428 .3642 .93 K 0 .104 .25 .94 OH .045 .068 .4526 O1 .379 .246 .0540 O2 .035 .442 .4483 O3 .413 .090 .1667 O4 .257 .372 .1691 O5 .248 .307 .3438