Xonotlite Kudoh Y, Takeuchi Y Mineralogical Journal 9 (1979) 349-373 Polytypism in xonotlite: (I) Structure of an A-1 polytype Locality: Heguri, Chiba Prefecture, Japan _database_code_amcsd 0014421 8.712 7.363 14.023 89.99 90.36 102.18 A-1 atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca1 .5046 .0016 .2523 .59 .0013 .0025 .0011 .0002 -.0003 -.0001 Ca2 .1335 .1645 .1684 .84 .0028 .0030 .0014 .0011 .0003 .0005 Ca3 .1385 .6537 .1707 .59 .0020 .0022 .0010 .0007 .0000 .0001 Si1 .2118 .2170 .8841 .52 .0022 .0015 .0008 .0004 .0000 .0004 Si2 .2118 .6389 .8843 .52 .0019 .0017 .0008 .0005 .0000 .0000 Si3 .3182 .9547 .0281 .49 .0013 .0021 .0008 .0003 .0001 -.0001 O1 .5 0 0 1.65 .0032 .0090 .0027 .0008 .0006 -.0003 O2 .2190 .4303 .9211 1.21 .0061 .0042 .0014 .0020 -.0003 -.0001 O3 .3512 .7179 .8096 .97 .0032 .0041 .0014 .0009 .0007 .0000 O4 .3434 .2059 .8087 .96 .0032 .0039 .0014 .0002 .0000 .0004 O5 .2297 .1116 .9860 1.00 .0041 .0048 .0012 .0021 .0000 .0004 O6 .2294 .7538 .9858 1.07 .0045 .0047 .0011 .0003 .0002 -.0004 O7 .0424 .6382 .8326 .92 .0015 .0040 .0019 .0007 -.0013 -.0002 O8 .0463 .1339 .8370 .94 .0031 .0056 .0009 .0002 .0007 .0004 O9 .2988 .9506 .1390 .49 .0028 .0024 .0002 .0002 -.0004 .0001 OH10 .2977 .4481 .1347 1.32 .0025 .0069 .0023 .0010 -.0002 -.0003