Crawfordite Sokolova E V, Khomyakov A P Doklady Akademii Nauk SSSR 322 (1992) 531-535 Crystal structure of a new mineral Na3SePO4CO3 from bredleyite group _database_code_amcsd 0012486 9.187 5.279 6.707 90 90 89.98 P2_1 atom x y z Biso Sr .6764 -.0003 .25 1.10 P .3305 -.0001 .254 .58 Na1 .1584 .498 .236 3.4 Na2 .006 -.006 .006 3.3 Na3 .4658 .501 .456 1.3 C .154 .508 .773 3.1 O1 .705 .493 .270 1.8 O2 .915 .290 .246 3.9 O3 .235 .143 .105 1.9 O4 .427 .805 .156 2.2 O5 .917 .711 .255 4.2 O6 .426 .197 .153 1.5 O7 .762 .137 .911 1.2