Sodicgedrite Papike J J, Ross M American Mineralogist 55 (1970) 1945-1972 Gedrites: Crystal structures and intracrystalline cation distributions sample 002 _database_code_amcsd 0000216 18.601 17.839 5.284 90 90 90 Pnma atom x y z occ Biso Si1A .2323 -.1626 -.4505 .73 .56 Al1A .2323 -.1626 -.4505 .27 .56 Si1B .0199 -.1641 .3018 .56 .50 Al1B .0199 -.1641 .3018 .44 .50 Si2A .2282 -.0759 .0509 .98 .44 Al2A .2282 -.0759 .0509 .02 .44 Si2B .0268 -.0799 -.1947 .71 .59 Al2B .0268 -.0799 -.1947 .29 .59 Mg1 .1242 .1603 .3705 .67 .71 Fe1 .1242 .1603 .3705 .33 .71 Al2 .1247 .0724 -.1290 .68 .30 Mg2 .1247 .0724 -.1290 .23 .30 Fe2 .1247 .0724 -.1290 .09 .30 Mg3 .1243 .25 -.1294 .61 .57 Fe3 .1243 .25 -.1294 .39 .57 Fe4 .1184 -.0153 .3635 .65 .62 Mg4 .1184 -.0153 .3635 .32 .62 Ca4 .1184 -.0153 .3635 .02 .62 Na4 .1184 -.0153 .3635 .01 .62 Na .1171 -.2500 .8480 .52 1.53 O1A .1790 .1581 .0315 .78 O1B .0701 .1568 -.2900 .76 O2A .1850 .0731 -.4409 .80 O2B .0635 .0739 .1808 .85 O3A .1811 .25 -.4662 .77 O3B .0701 .25 .2111 .90 O4A .1863 .0028 .0445 .85 O4B .0685 -.0049 -.2986 .86 O5A .1973 -.1100 .3215 .78 O5B .0545 -.1014 .0989 1.01 O6A .2030 -.1320 -.1763 1.12 O6B .0473 -.1461 -.4036 1.10 O7A .2050 -.2500 .5141 1.18 O7B .0453 -.2500 .2154 .77