Epidote Nagashima M, Akasada M American Mineralogist 95 (2010) 1237-1246 X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis Locality: synthetic Sample: q=0.5, run 22 _database_code_amcsd 0016951 8.8817 5.6543 10.1630 90 115.435 90 P2_1/m atom x y z occ Ca1 .7571 .75 .1508 Ca2 .5988 .75 .4197 AlM1 0 0 0 .81 FeM1 0 0 0 .06 MnM1 0 0 0 .13 AlM2 0 0 .5 AlM3 .2941 .25 .2263 .27 FeM3 .2941 .25 .2263 .33 MnM3 .2941 .25 .2263 .40 Si1 .3431 .75 .0475 Si2 .6831 .25 .2734 Si3 .1881 .75 .3267 O1 .2376 .984 .0363 O2 .302 .982 .355 O3 .805 .017 .3479 O4 .062 .25 .135 O5 .049 .75 .153 O6 .063 .75 .415 O7 .523 .75 .172 O8 .518 .25 .307 O9 .615 .25 .102 OH10 .083 .25 .425