Epidote-(Pb) Dollase W A American Mineralogist 56 (1971) 447-464 Refinement of the crystal structures of epidote, allanite and hancockite _database_code_amcsd 0000229 8.958 5.665 10.304 90 114.4 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) Ca .7639 .75 .1559 1.0 .0052 .0061 .0049 0 .0043 0 Pb .5898 .75 .4124 0.5 1.1 .0037 .0136 .0033 0 .0027 0 Sr .5898 .75 .4124 .25 1.1 .0037 .0136 .0033 0 .0027 0 Ca .5898 .75 .4124 .13 1.1 .0037 .0136 .0033 0 .0027 0 Mn .5898 .75 .4124 .12 1.1 .0037 .0136 .0033 0 .0027 0 Si1 .3370 .75 .0399 .9 Si2 .6872 .25 .2777 1.1 Si3 .1758 .75 .3119 1.0 Al1 0 0 0 .86 .9 Fe1 0 0 0 .14 .9 Al2 0 0 .5 .7 Fe3 .2903 .25 .2190 .84 .6 .0025 .0085 .0032 0 .0022 0 Al3 .2903 .25 .2190 .16 .6 .0025 .0085 .0032 0 .0022 0 O1 .235 .988 .040 1.1 O2 .290 .979 .342 1.1 O3 .796 .011 .347 1.6 O4 .052 .25 .129 .5 O5 .038 .75 .146 1.1 O6 .062 .75 .407 .9 O7 .517 .75 .169 1.7 O8 .524 .25 .309 1.8 O9 .642 .25 .110 1.5 OH10 .074 .25 .422 1.5