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 12 kbar step-scan _database_code_amcsd 0000939 7.760 7.873 5.544 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 .2416 0.0026 0.0017 0.0035 0.0004 0 0 Al2 .3702 .1391 .5 0.0014 0.0015 0.0046 -.0003 0 0 Si .2459 .2514 0 0.0015 0.0012 0.0041 -.0002 0 0 OA .4221 .3634 .5 0.0024 0.0021 0.0009 -.0003 0 0 OB .4249 .3623 0 0.0026 0.0020 0.0026 0.0007 0 0 OC .1031 .4000 0 0.0015 0.0013 0.0066 -.0003 0 0 OD .2303 .1327 .2389 0.0025 0.0018 0.0045 0.0000 -.0007 .0010