Palygorskite Post J E, Heaney P J American Mineralogist 93 (2008) 667-675 Synchotron powder X-ray diffraction study of the structure and dehydration behavior of palygorskite Locality: Yulu River, Korea Sample: T = 100 K _database_code_amcsd 0004563 13.179 17.852 5.2316 90 107.77 90 C2/m atom x y z occ Uiso AlM1 0 .0808 .5 .017 MgM2 0 .1678 0 .017 Si1 .2140 .0845 .972 .975 .017 Al1 .2140 .0845 .972 .025 .017 Si2 .2081 .1640 .476 .975 .017 Al2 .2081 .1640 .476 .025 .017 OH .069 0 .371 .01 O2 .089 .0869 .873 .01 O3 .080 .1600 .414 .01 Wat4 .096 .2515 .916 .01 O5 .25 .25 .5 .01 O6 .252 0 .973 .01 O7 .261 .1321 .253 .01 O8 .271 .1276 .768 .01 Wat1 .446 0 .684 .92 .16 Wat2 .5 .1522 .5 .05