American Mineralogist Crystal Structure Database

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Lovdarite
Download hom/lovdarite.pdf
Merlino S
 
European Journal of Mineralogy 2 (1990) 809-817
Lovdarite, K4Na12(Be8Si28O72).18H2O, a zeolite-like mineral:
structural features and OD character
_database_code_amcsd 0006403
39.576 6.9308 7.1526 90 90 90 Pma2
atom      x      y      z Biso
K     .3860  .0417  .1828 1.98
Na1     1/4  .6098  .2437 1.95
Na2     1/4  .6217  .7683 1.97
Na3   .1283  .8542  .6990 2.18
Na4   .0069  .2840  .8652 6.10
Si1   .2113  .0504  .2770  .73
Si2   .2113  .0497  .7179  .84
Si3   .1952  .3671 -.0008  .77
Si4   .1248  .5026 -.0269  .89
Si5   .0582  .5267  .1399  .92
Si6   .0333  .2593  .4469  .79
Si7   .0458  .8202  .4588  .87
Be1   .1805  .7820  .0050  .47
Be2   .0670  .5415  .7334  1.0
O1      1/4 -.0319  .2723  .61
O2    .2103  .2603  .1857 1.35
O3    .1858 -.0960  .1901 1.12
O4    .2023  .0905  .5007 1.33
O5      1/4 -.0324  .7287 1.20
O6    .2106  .2624  .8147 1.14
O7    .1858 -.1014  .8030 1.15
O8    .2065  .5870  .0011  .77
O9    .1540  .3356  .0027 1.33
O10   .1409  .7122 -.0041 1.25
O11   .0979  .4563  .1463 1.00
O12   .1057  .4735  .7794 1.34
O13   .0355  .3608  .2493 1.22
O14   .0563  .7205  .2606 1.89
O15   .0448  .5539 -.0671 1.40
O16   .0514  .0501  .4226 1.13
O17   .0493  .3782  .6145 1.51
O18  -.0060  .2198  .5039 1.43
O19   .0678 -.2501  .6341  .88
Wat1  .2115  .5643  .5123 2.17
Wat2  .1438  .6958  .4247 2.38
Wat3  .1290  .1820  .5459 2.70
Wat4  .0744  .0616  .8790 3.91
Wat5      0      0  .0134 8.03
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