Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 400 deg C
_database_code_amcsd 0000729
7.8355 7.9289 5.5611 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 .2419 0.0052 0.0046 0.0040  0.0015      0      0
Al2  .3713 .1396    .5 0.0021 0.0037 0.0054  -.0001      0      0
Si   .2461 .2534     0 0.0020 0.0033 0.0046   .0000      0      0
Oa   .4239 .3641     0 0.0026 0.0045 0.0057  -.0009      0      0
Ob   .1032 .4004     0 0.0023 0.0039 0.0163  0.0002      0      0
Oc   .4243 .3629    .5 0.0040 0.0038 0.0055  -.0006      0      0
Od   .2320 .1356 .2392 0.0038 0.0052 0.0058  -.0008 -.0011  .0011