Epidote Dollase W A American Mineralogist 56 (1971) 447-464 Refinement of the crystal structures of epidote, allanite and hancockite _database_code_amcsd 0000226 8.914 5.640 10.162 90 115.4 90 P2_1/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca1 .7562 .75 .1510 .76 .0037 .0055 .0023 0 .0018 0 Ca2 .6042 .75 .4241 .92 .0036 .0103 .0014 0 .0005 0 Si1 .3396 .75 .0473 .41 Si2 .6851 .25 .2744 .48 Si3 .1844 .75 .3189 .42 Al1 0 0 0 .93 .51 Fe1 0 0 0 .05 .51 Al2 0 0 .5 .43 Fe3 .2946 .25 .2245 .76 .42 .0016 .0030 .0012 0 .0004 0 Al3 .2946 .25 .2245 .24 .42 .0016 .0030 .0012 0 .0004 0 O1 .2339 .9923 .0410 .70 O2 .3040 .9809 .3554 .63 O3 .7957 .0152 .3382 .79 O4 .0528 .25 .1294 .6 O5 .0417 .75 .1471 .6 O6 .0683 .75 .4078 .5 O7 .5164 .75 .1825 .6 O8 .5281 .25 .3099 .9 O9 .6265 .25 .0990 1.0 OH10 .0838 .25 .4298 .7