Tobermorite Merlino S, Bonaccorsi E, Armbruster T European Journal of Mineralogy 12 (2000) 411-429 The real structure of clinotobermorite and tobermorite 9 A: OD character, polytypes, and structural relationships Sample: MDO2 _database_code_amcsd 0006833 11.156 7.303 9.566 101.08 92.83 89.98 C-1 atom x y z occ Uiso Ca1 .3713 .0981 -.1040 .017 Ca2 .499 .460 .502 .5 .035 Ca3 .3647 .5966 -.1175 .017 Si1 .3859 .2158 .2234 .013 Si2 .3181 -.0193 .4343 .025 Si3 .3883 .6416 .2173 .015 O1 .390 .150 .377 .030 O11 .390 -.209 .371 .024 O2 .499 .663 .121 .024 O21 .502 .152 .136 .018 O3 .268 .649 .118 .013 O31 .267 .163 .133 .018 O4 .403 .441 .277 .022 O6 .179 -.040 .384 .041 OH6 .152 .488 .390 .050