Muirite
Khan A A, Baur W H
Science 173 (1971) 916-918
Eight-membered cyclosilicate rings in muirite
Locality: Esquire No. 7 mine, Big Creek, Fresno County, California
_database_code_amcsd 0020849
14.030 14.030 5.635 90 90 90 P4/mmm
atom       x     y     z occ Biso
Ba(1)     .5 .1656     0     1.15
Ba(2)      0     0     0      3.3
Ba(3)     .5    .5 .2447  .5 1.78
Ba(4)  .2671 .2671    .5     1.14
CaX    .3635     0    .5  .5   .5
MnX    .3635     0    .5 .25   .5
TiX    .3635     0    .5 .25   .5
Si     .2654 .1030     0      .97
O(1)   .2074     0     0      1.7
O(2)   .1801 .1801 .0643  .5  1.3
O(3)   .3289 .1141 .2345      1.9
OH(4)     .5     0 .2619      3.7
Wat(5) .0977 .0977    .5      4.7
Cl(1)     .5 .2777    .5      1.6
Cl(2)  .3525 .3525     0      1.5