Lawsonite
Armbruster T, Oberhansli R, Bermanec V
European Journal of Mineralogy 4 (1992) 17-22
Crystal structure of SrMn2(Si2O7)(OH)2.H2O, a new mineral of the lawsonite type
_database_code_amcsd 0006433
6.255 9.034 13.397 90 90 90 Cmcm
atom    x      y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sr      0  .3114   1/4     1.29  .0267  .0142  .0082      0      0      0
Mn    1/4    1/4     0      .97  .0144  .0126  .0100 -.0029  .0043 -.0030
Si      0 -.0306 .1322      .93   .017   .011   .007      0      0      0
O1      0   .022   1/4      1.3   .024   .018   .009      0      0      0
O2   .285  .3707 .1160      1.5   .024   .015   .016  -.005   .005  -.005
O3      0  .1259 .0747      1.0   .017   .008   .012      0      0  -.002
OH4     0   .368 .5413      1.5   .022   .017   .016      0      0  -.007
Wat5 .043   .607   1/4  .5  1.7