Sn6SiO8(OH2) Locock A J, Ramik R A, Back M E The Canadian Mineralogist 44 (2006) 1457-1467 The structures of two novel Sn2+ oxysalts found with romarchite and hydroromarchite as corrosion products of pewter artifacts _database_code_amcsd 0006131 14.0071 12.5016 14.5030 90 90 90 Pbca atom x y z occ Uiso Sn1 .01749 .82313 .33891 .02042 Sn2 .01109 .67521 .54400 .02078 Sn3 .26344 .83072 .45157 .02085 Sn4 .25365 .82371 .16166 .01995 Sn5 .38223 .59124 .45298 .02045 Sn6 .39966 .58021 .15603 .02378 S .14065 .57227 .18255 .0194 O1 .1286 .4669 .1349 .0271 O2 .2167 .6332 .1284 .0282 O3 .0520 .6293 .1814 .0354 O4 .1773 .5560 .2772 .0395 O5 .3845 .7443 .1898 .0147 OH6 .0451 .6519 .3851 .0204 OH7 .3796 .7455 .3750 .0170 O8 -.0107 .8227 .4791 .0173 O9 .3855 .6096 .0145 .0178 O10 .2753 .8156 .0202 .0174 SnA1 -.0160 .6752 .6624 .09 .0249 SnA2 .2188 .8243 .3384 .09 .0318 SnA3 .3337 .5807 .3428 .09 .0258 SnA4 .2262 .8250 .0423 .09 .0280 SnA5 .3575 .5908 .0471 .09 .0264 SnA6 -.0263 .8322 .4521 .09 .028