Xonotlite Hejny C, Armbruster T Zeitschrift fur Kristallographie 216 (2001) 396-408 Polytypism in xonotlite Ca6Si6O17(OH)2 Note: polytype derived from structure in Kudoh and Takeuchi (1979) Locality: model structure, not experimentally determined _database_code_amcsd 0011088 17.032 7.363 14.023 90 90.36 90 A2/a atom x y z Ca1 .2730 .8755 .7523 Ca2 .0668 .1311 .6684 Ca3 .0693 .6191 .6707 Si1 .1059 .1641 .3841 Si2 .1059 .5860 .3843 Si3 .1591 .8752 .5281 O1 .25 .375 0 O2 .1095 .3756 .4211 O3 .1756 .6301 .3096 O4 .1717 .1201 .3087 O5 .1149 .0542 .4860 O6 .1147 .6965 .4858 O7 .0212 .6276 .3326 O8 .0215 .1223 .3370 O9 .1494 .8759 .6390 O10 .1489 .3737 .6347