Alamosite Boucher M L, Peacor D R Zeitschrift fur Kristallographie 126 (1968) 98-111 The crystal structure of alamosite, PbSiO3 Locality: Alamos, Sonora, Mexico _database_code_amcsd 0010657 11.23 7.08 12.26 90 113.25 90 P2/n atom x y z Biso Pb1 .5447 .0667 .6739 .65 Pb2 .4096 .3857 .8469 .53 Pb3 .2989 .3041 .0999 .57 Si1 .6180 .1254 .1539 .35 Si2 .5292 .4070 .3914 .44 Si3 .7122 .1824 .9616 .20 O1 .5 .5 .5 .77 O2 .75 .2249 .25 .74 O3 .6418 .2458 .4576 1.49 O4 .6581 .0597 .0419 .57 O5 .5070 .2875 .1071 .34 O6 .5758 .9442 .2132 1.10 O7 .4041 .2935 .3036 .73 O8 .4209 .4265 .6710 .77 O9 .6269 .3728 .9159 1.22 O10 .7139 .0497 .8538 .25