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 21 _database_code_amcsd 0016952 8.8904 5.6606 10.1760 90 115.455 90 P2_1/m atom x y z occ Ca1 .7539 .75 .1492 Ca2 .6000 .75 .4229 AlM1 0 0 0 .79 FeM1 0 0 0 .08 MnM1 0 0 0 .13 AlM2 0 0 .5 AlM3 .2955 .25 .2261 .29 FeM3 .2955 .25 .2261 .31 MnM3 .2955 .25 .2261 .40 Si1 .3401 .75 .0469 Si2 .6828 .25 .2750 Si3 .1871 .75 .3245 O1 .2373 .985 .0349 O2 .3062 .981 .3566 O3 .8018 .018 .3487 O4 .062 .25 .1369 O5 .0464 .75 .1480 O6 .0612 .75 .408 O7 .5182 .75 .1773 O8 .5182 .25 .301 O9 .619 .25 .098 OH10 .079 .25 .428