Kyanite Yang H, Downs R T, Finger L W, Hazen R M, Prewitt C T American Mineralogist 82 (1997) 467-474 Compressibility and crystal structure of kyanite, Al2SiO5, at high pressure Sample: at P = 4.56 GPa _database_code_amcsd 0001896 7.0648 7.7926 5.5299 90.089 101.085 105.982 P-1 atom x y z Biso Al1 .3243 .7035 .4565 .39 Al2 .2976 .6988 .9503 .38 Al3 .0998 .3861 .6403 .37 Al4 .1123 .9178 .1649 .33 Si1 .2963 .0651 .7056 .34 Si2 .2925 .3326 .1915 .36 O1 .1089 .1477 .1322 .44 O2 .1209 .6825 .1780 .39 O3 .2764 .4546 .9538 .40 O4 .2844 .9355 .9380 .43 O5 .1090 .1524 .6697 .40 O6 .1209 .6309 .6401 .27 O7 .2839 .4463 .4299 .53 O8 .2924 .9476 .4651 .47 O9 .5018 .2729 .2438 .43 O10 .5013 .2339 .7559 .62