Levyne-Ca
Merlino S, Galli E, Alberti A
Tschermaks Mineralogische und Petrographische Mitteilungen 22 (1975) 117-129
The crystal structure of levyne
Note: a zeolite mineral
Locality: small cavity in andesite from Nurri, Nuoro, Sardinia
_database_code_amcsd 0015653
13.338 13.338 23.0140 90 90 120 R-3m
atom     x      y      z   occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca1      0      0  .1389             .0056  .0056  .0021  .0028      0      0
Ca2      0      0  .2782 .1288  3.4
Na       0      0  .2782 .1148  3.4
K1       0      0  .2782 .0364  3.4
Ca3      0      0  .4095 .1242  9.4
Na2      0      0  .4095 .1107  9.4
K2       0      0  .4095 .0351  9.4
Ca4      0      0  .4498  .069   .7
Na3      0      0  .4498 .0615   .7
K3       0      0  .4498 .0195   .7
Ca5      0      0     .5  .115   .7
Na4      0      0     .5 .1025   .7
K4       0      0     .5 .0325   .7
Si   .0001  .2322  .0697   .65       .0008   .001  .0014  .0001      0      0
Al1  .0001  .2322  .0697   .35       .0008   .001  .0014  .0001      0      0
Si2  .2396      0     .5   .65       .0007  .0008  .0015  .0004      0      0
Al2  .2396      0     .5   .35       .0007  .0008  .0015  .0004      0      0
O1   .0339  .3493  .1079             .0062   .003  .0013  .0016 -.0006 -.0010
O2   .0920 -.0920  .0827             .0033  .0033  .0023  .0009  .0002 -.0002
O3   .1275 -.1275 -.0910             .0026  .0026  .0029 -.0007  .0005 -.0005
O4   .2643      0      0             .0054  .0048  .0028  .0024  .0001  .0002
O5   .2219 -.2219  .1793             .0024  .0024  .0025 -.0003  .0004 -.0004
Wat1 .2567 -.2567 -.1241        4.8
Wat2 .1222 -.1222  .2852   .73  8.0
Wat3 .2547 -.2547  .0187   .54  6.5
Wat4 .5429 -.5429 -.0445   .27  5.7