Mullite
Fischer R X, Schneider H
American Mineralogist 85 (2000) 1175-1179
Crystal structure of Cr-mullite
Sample: fixed slit, monochromatic
_database_code_amcsd 0002492
7.56712 7.70909 2.90211 90 90 90 Pbam
atom     x     y  z occ Biso
AlM1     0     0  0 .75  .52
CrM1     0     0  0 .25  .52
AlT  .1482 .3416 .5  .5  .69
SiT  .1482 .3416 .5 .39  .69
AlT* .2599 .2002 .5 .11   .1
Oab  .3565 .4217 .5     1.31
Oc      .5     0 .5      1.6
Oc*  .4360 .0479 .5 .11   .7
Od   .1275 .2249  0     1.26