Mullite
Angel R J, McMullan R K, Prewitt C T
American Mineralogist 76 (1991) 332-342
Substructure and superstructure of mullite by neutron diffraction
Model 1 Neutron
_database_code_amcsd 0001351
7.588 7.688 2.8895 90 90 90 Pbam
atom      x      y  z occ B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Al        0      0 .0     0.0025 0.0017 0.0105  0.0002      0      0
AlT   .1490  .3400 .5 .55 0.0017 0.0022 0.0141 -0.0001      0      0
SiT   .1490  .3400 .5 .25 0.0017 0.0022 0.0141 -0.0001      0      0
AlT*  .2625  .2067 .5 .15 0.0017 0.0021  0.017 -0.0001      0      0
SiT*  .2625  .2067 .5 .05 0.0017 0.0021  0.017 -0.0001      0      0
Oab  .35838 .42238 .5     0.0044 0.0062 0.0111 -.00285      0      0
Oc       .5      0 .5 .40 0.0052 0.0050  0.062 -0.0013      0      0
Oc*   .4495  .0509 .5 .20 0.0026 0.0023  0.028 -0.0003      0      0
Od   .12733 .21843  0     0.0049 0.0041 0.0258 -.00232      0      0