Greenalite Shirozu H, Bailey S W American Mineralogist 50 (1965) 868-885 Chlorite polytypism: III. Crystal structure of an orthohexagonal iron chlorite _database_code_amcsd 0000136 5.390 9.336 14.166 90 90.0 90 C2/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) Fe1 0 0 0 .67 .0074 .0035 .0029 -.0020 -.0008 .0002 Mg1 0 0 0 .165 .0074 .0035 .0029 -.0020 -.0008 .0002 Al1 0 0 0 .165 .0074 .0035 .0029 -.0020 -.0008 .0002 Fe2 0 1/3 0 .67 .0074 .0035 .0029 -.0020 -.0008 .0002 Mg2 0 1/3 0 .165 .0074 .0035 .0029 -.0020 -.0008 .0002 Al2 0 1/3 0 .165 .0074 .0035 .0029 -.0020 -.0008 .0002 Fe3 0 0 1/2 .47 .0082 .0027 .0029 -.0018 -.0010 -.0001 Mg3 0 0 1/2 .265 .0082 .0027 .0029 -.0018 -.0010 -.0001 Al3 0 0 1/2 .265 .0082 .0027 .0029 -.0018 -.0010 -.0001 Fe4 0 1/3 1/2 .47 .0082 .0027 .0029 -.0018 -.0010 -.0001 Mg4 0 1/3 1/2 .265 .0082 .0027 .0029 -.0018 -.0010 -.0001 Al4 0 1/3 1/2 .265 .0082 .0027 .0029 -.0018 -.0010 -.0001 Si .3328 1/3 .1949 .67 1.42 Al .3328 1/3 .1949 .33 1.42 O1 .3349 1/3 .0770 1.89 OH1 .3349 0 .0770 1.89 O2 .094 .236 .236 2.13 O3 .310 1/2 .236 1.51 OH2 .1656 1/6 .4303 2.58 OH3 .1656 1/2 .4303 2.58