Paragonite Comodi P, Zanazzi P F Physics and Chemistry of Minerals 27 (2000) 377-385 Structural thermal behavior of paragonite and its dehydroxylate: a high-temperature single-crystal study Sample 2: T = 450 C _database_code_amcsd 0008409 5.173 8.985 19.553 90 93.58 90 C2/c atom x y z occ Uiso Na 0 .0957 .25 .91 .086 K 0 .0957 .25 .07 .086 Ca 0 .0957 .25 .01 .086 Ba 0 .0957 .25 .01 .086 AlM2 .2502 .0836 -.00002 .995 .0221 TiM2 .2502 .0836 -.00002 .0025 .0221 FeM2 .2502 .0836 -.00002 .005 .0221 MnM2 .2502 .0836 -.00002 .0005 .0221 MgM2 .2502 .0836 -.00002 .01 .0221 AlT1 .9457 .4287 .13942 .27 .0239 SiT1 .9457 .4287 .13942 .73 .0239 AlT2 .4321 .2576 .13929 .27 .0239 SiT2 .4321 .2576 .13929 .73 .0239 O1 .9548 .4440 .0550 .0246 O2 .3763 .2515 .0553 .0250 O3 .3748 .0919 .1726 .032 O4 .7343 .3026 .1609 .035 O5 .2336 .3764 .1731 .031 Oh .9488 .0623 .0508 .029 H .879 .124 .060 .08