Serandite
Takeuchi Y, Kudoh Y, Yamanaka T
American Mineralogist 61 (1976) 229-237
Crystal chemistry of the serandite-pectolite series and related minerals
_database_code_amcsd 0000499
7.683 6.889 6.747 90.53 94.12 102.75 P-1
atom     x     y      z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Mn1  .8527 .5943  .1363 .84  .0031  .0034  .0029  .0007  .0005  .0003
Ca1  .8527 .5943  .1363 .16  .0031  .0034  .0029  .0007  .0005  .0003
Mn2  .8497 .0840  .1332 .98  .0030  .0038  .0030  .0011  .0003 -.0001
Ca2  .8497 .0840  .1332 .02  .0030  .0038  .0030  .0011  .0003 -.0001
Na   .5574 .2548  .3518      .0046  .0096  .0073  .0012  .0011 -.0002
Si1  .2166 .4025  .3414      .0027  .0025  .0029  .0008 -.0002 -.0002
Si2  .2071 .9527  .3506      .0027  .0027  .0025  .0009  .0009 -.0002
Si3  .4546 .7389  .1429      .0020  .0034  .0025  .0006  .0002  .0001
O1   .6643 .7953  .1146      .0030  .0053  .0054  .0008  .0015  .0005
O2   .3235 .7079 -.0568      .0034  .0053  .0040  .0006 -.0002 -.0002
O3   .1809 .4952  .5534      .0065  .0048  .0044  .0030  .0010 -.0003
O4   .1599 .8458  .5568      .0062  .0043  .0044  .0013  .0015  .0003
O5   .0611 .3908  .1683      .0033  .0060  .0029  .0007 -.0002  .0003
O6   .0531 .8930  .1727      .0035  .0056  .0041  .0015 -.0004 -.0007
O7   .4077 .5331  .2739      .0035  .0049  .0048  .0010  .0000  .0021
O8   .3974 .9052  .2880      .0033  .0047  .0057  .0016  .0001 -.0017
O9   .2614 .1899  .3928      .0048  .0033  .0054  .0010  .0003  .0004