Jasmundite
Dent Glasser L S, Lee C K
Acta Crystallographica B37 (1981) 803-806
The structure of jasmundite, Ca22(SiO4)8O4S2
Locality: Ettringer Feld lava flow, Bellerberg volcano, Mayen, Eifel, Germany
_database_code_amcsd 0009735
10.461 10.461 8.813 90 90 90 I-4m2
atom     x     y     z Biso
Ca1  .2437     0 .1960 1.13
Ca2  .2583     0 .7911 1.14
Ca3     .5     0 .0032  .79
Ca4     .5    .5     0  .55
Si   .2116 .2116    .5  .46
O1   .1446 .1457 .3523  .78
O2   .3648 .1795 .5062  .68
O3       0    .5   .25  2.4
O4       0    .5   .75   .7
S        0     0     0 1.36