Scapolite
Sokolova E, Hawthorne F C
The Canadian Mineralogist 46 (2008) 1527-1554
The crystal chemistry of the scapolite-group minerals. I. crystal structure and
long-range order
Locality: Monte Somma, Italy
Note: S17
_database_code_amcsd 0006230
12.2050 12.2050 7.5816 90 90 90 I4/m
atom      x      y      z occ  Uiso
Ca   .35665 .28132      0 .88 .0263
Na   .35665 .28132      0 .08 .0263
K    .35665 .28132      0 .04 .0263
Al2  .16063 .09218      0 .35 .0103
Si1  .16063 .09218      0 .65 .0103
Si2  .15994 .41322 .20703 .49 .0111
Al2  .15994 .41322 .20703 .51 .0111
O1    .0414  .1523      0     .0201
O2    .1868  .3730      0     .0179
O3    .4495  .1506  .2059     .0202
O4    .2663  .3646  .6742     .0225
O7     .122   .018     .5      .028
O8    -.043   .088     .5      .053
O9    -.018  -.096     .5      .047
Cl        0      0     .5 .07   .15
C      .015   .002     .5 .91   .04
O12    .015   .002     .5 .91   .04
O13    .015   .002     .5 .91   .04
O14    .015   .002     .5 .91   .04
S         0      0     .5 .02   .15
O15       0      0     .5 .02   .15
O16       0      0     .5 .02   .15
O17       0      0     .5 .02   .15
O18       0      0     .5 .02   .15