Indialite
Daniels P
American Mineralogist 77 (1992) 407-411
Structural effects of the incorporation of large-radius alkalis in high
cordierite
Locality: synthetic
_database_code_amcsd 0001448
9.801 9.801 9.381 90 90 120 P6/mcc
atom     x     y     z  occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg     1/3   2/3   .25      0.0119 0.0119 0.0179 .00595      0      0
Al1     .5    .5   .25 .927 0.0096 0.0096 0.0129 0.0048      0      0
Si1     .5    .5   .25 .073 0.0096 0.0096 0.0129 0.0048      0      0
Al2  .3735 .2663     0  .25 0.0115 0.0092 0.0143 0.0062      0      0
Si2  .3735 .2663     0  .75 0.0115 0.0092 0.0143 0.0062      0      0
O1   .4844 .3489 .1439      0.0163 0.0132 0.0169 0.0090 -.0028 -.0001
O2   .2299 .3070     0      0.0196 0.0232 0.0312 0.0155      0      0
Cs       0     0   .25 .281 0.0406 0.0406 0.0558 0.0203      0      0