Andalusite Ralph R L, Finger L W, Hazen R M, Ghose S American Mineralogist 69 (1984) 513-519 Compressibility and crystal structure of andalusite at high pressure 37 kbar continuous scan _database_code_amcsd 0000941 7.7049 7.8375 5.5262 90 90 90 Pnnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Al1 0 0 .2414 0.0029 0.0018 0.0013 0.0001 0 0 Al2 .3699 .1387 .5 0.0016 0.0020 0.0022 0.0004 0 0 Si .2467 .25 0 0.0012 0.0015 0.0050 0.0001 0 0 OA .4203 .3639 .5 0.0024 0.0019 0.0027 -.0011 0 0 OB .4269 .3598 0 0.0027 0.0021 0.0037 -.0002 0 0 OC .1034 .4008 0 0.0021 0.0010 0.0065 0.0001 0 0 OD .2296 .1308 .2399 0.0024 0.0020 0.0033 -.0003 -.0010 .0010