Cordierite
Armbruster T
Physics and Chemistry of Minerals 12 (1985) 233-245
Ar, N2, CO2 in the structural cavities of cordierite,
an optical and X-ray single-crystal study
Sample: Ruby Island natural
_database_code_amcsd 0007368
17.066 9.722 9.345 90 90 90 Cccm
atom          x       y      z  occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
O11      .24747 -.10311 .35888       .0110  .0076  .0066 -.0009  .0024 -.0007
O16      .06232 -.41636 .34882       .0077  .0102  .0078 -.0008 -.0001 -.0029
O13     -.17343 -.31011 .35848       .0099  .0086  .0079  .0012 -.0016 -.0015
O26      .04317 -.24765      0       .0074  .0149  .0161 -.0022      0      0
O21      .12235  .18473      0       .0117  .0109  .0164  .0049      0      0
O23      .16477 -.07966      0       .0140  .0062  .0168 -.0026      0      0
AlT11       .25     .25 .25014       .0085  .0064  .0063  .0013      0      0
SiT16         0      .5    .25       .0060  .0070  .0056      0      0      0
SiT21    .19268  .07800      0       .0065  .0049  .0054  .0002      0      0
SiT23   -.13523  .23722      0       .0056  .0057  .0052 -.0006      0      0
AlT26    .05086  .30802      0       .0056  .0061  .0058  .0007      0      0
MgM      .33737       0    .25       .0069  .0065  .0078      0      0  .0001
NaChO         0       0    .25  .05    .02    .03    .03      0      0      0
OCh1/4        0       0    .25   .3    .07   .060   .036      0      0      0
OCh1/4a   .0617       0    .25   .2    .07    .13   .019      0      0  -.014