Wodginite Graham J, Thornber M R American Mineralogist 59 (1974) 1040-1044 The crystal chemistry of complex niobium and tantalum oxides II. Composition and structure of wodginite from Wodgina, Australia _database_code_amcsd 0000419 9.530 11.490 5.098 90 91.21 90 Cc atom x y z occ Biso Ta .375 .414 .250 .4 Ta1 .375 .089 .750 .42 .8 Sn1 .375 .089 .750 .47 .8 Fe1 .375 .089 .750 .01 .8 Ta2 .125 .169 .250 .7 .8 Nb2 .125 .169 .250 .3 .8 Mn .125 .343 .750 .7 O1 .255 .085 .088 O2 .507 .438 .908 O3 .266 .428 .555 O4 .491 .051 .448 O5 .256 .296 .102 O6 .525 .183 .884 O7 .247 .192 .577 O8 .525 .312 .406