Vonsenite Swinnea J S, Steinfink H American Mineralogist 68 (1983) 827-832 Crystal structure and Mossbauer spectrum of vonsenite, 2FeO*FeBO3 _database_code_amcsd 0000909 9.463 12.305 3.0727 90 90 90 Pbam atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe1 0 0 .0 .0012 .00077 0.0223 -.00033 0 0 Fe2 .5 0 .5 .0041 .00074 0.0140 -.00065 0 0 Fe3 .0004 .27416 .0 .00126 .00070 0.0193 0.00018 0 0 Fe4 .7443 .38768 .5 .00133 .00089 0.0144 0.00023 0 0 B1 .2683 .3608 .5 .0030 .0008 0.0119 -.0007 0 0 O1 .8431 .0422 .5 .0014 .0007 0.0277 -.0002 0 0 O2 .3876 .0787 .0 .0015 .0008 0.0222 0.0003 0 0 O3 .6227 .1382 .5 .0012 .0006 0.0276 -.0004 0 0 O4 .1129 .1409 .0 .0011 .0007 0.0261 0.0001 0 0 O5 .8402 .2365 .5 .0011 .0009 0.0259 -.0002 0 0