Eakerite
Kossiakoff A A, Leavens P B
American Mineralogist 61 (1976) 956-962
The crystal structure of eakerite, a calcium-tin silicate
Note: z-coordinate of Si2 altered
_database_code_amcsd 0000529
15.892 7.721 7.438 90 101.34 90 P2_1/a
atom     x      y      z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sn       0      0      0  .0078  .0082  .0089  .0004  .0012  .0027
Ca   .3005  .3111  .0021  .0092  .0109  .0100 -.0005  .0023 -.0005
Al   .2708  .0220 -.3172  .0055  .0059  .0065  .0001  .0014  .0002
Si1  .4554  .1697  .7132  .0043  .0060  .0062 -.0001  .0018 -.0007
Si2  .1661  .1445  .3091  .0054  .0063  .0055  .0004  .0006  .0001
Si3  .4932  .2181  .3349  .0037  .0071  .0051  .0002  .0011  .0007
O1   .0197  .1993 -.1614  .0096  .0140  .0134  .0021  .0026  .0035
O2   .5051 -.0164 -.2694  .0153  .0039  .0237  .0025  .0035 -.0007
O3   .2143  .3083  .2372  .0111  .0135  .0101 -.0011  .0032 -.0032
O4   .1225  .0234  .1411  .0156  .0096  .0099  .0014  .0024 -.0027
O5   .3625  .1448 -.2316  .0082  .0143  .0109 -.0015  .0028 -.0024
O6   .4470  .3340  .1645  .0086  .0104  .0129  .0002 -.0014  .0005
O7   .2362  .0349  .4488  .0092  .0131  .0133  .0015  .0014  .0001
Wat8 .3193  .0030  .1531  .0154  .0179  .0166  .0010 -.0011 -.0012
OH9  .2017  .1031 -.1811  .0097  .0154  .0122  .0026  .0021  .0011
O10  .4397  .2281  .4977  .0102  .0191  .0091  .0001  .0028  .0001
O11  .0922  .2216  .4124  .0110  .0153  .0124  .0036  .0029 -.0008