Andradite Woodland A B, Ross C R Physics and Chemistry of Minerals 21 (1994) 117-132 A crystallographic and Mossbauer spectroscopy study of Fe3Al2Si3O12-Fe3Fe2Si3O12, (Almandine-"Skiagite") and Ca3Fe2Si3O12-Fe3Fe2Si3O12 (Andradite-"Skiagite") garnet solid solutions Sample: and52 _database_code_amcsd 0007864 11.9150 11.9150 11.9150 90 90 90 Ia-3d atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) FeX .125 0 .25 .48 .0059 .0125 .0125 0 0 .0021 CaX .125 0 .25 .52 .0059 .0125 .0125 0 0 .0021 FeY 0 0 0 .0062 .0062 .0062 -.0002 -.0002 -.0002 SiZ .375 0 .25 .0083 .0055 .0055 0 0 0 O .0370 .0504 .6564 .0134 .0092 .0071 .0019 -.0016 -.0002