Prehnite
Balic-Zunic T, Scavnicar S, Molin G
European Journal of Mineralogy 2 (1990) 731-734
Crystal structure of prehnite from Komiza
Locality: Komiza
_database_code_amcsd 0006388
4.646 5.491 18.52 90 90 90 P2cm
atom     x     y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca       0 .7601 .1507      1.9  .0290  .0132  .0291  .0004      0  .0010
Si1   .799    .5     0      1.6  .0250  .0090  .0260      0      0  .0010
Si2   .490 .2509 .1302      1.6  .0225  .0109  .0281  .0005  .0030      0
Al1   .179     0     0      1.7  .0230  .0100  .0310      0      0  .0010
Al2  -.002 .2628   .25 .83  1.8  .0230  .0120  .0320 -.0030      0      0
Fe2  -.002 .2628   .25 .17  1.8  .0230  .0120  .0320 -.0030      0      0
O1   -.018  .739 .0196      2.1  .0310  .0150  .0320      0 -.0040      0
O2    .611  .459 .0730      2.6  .0330  .0180  .0470  .0020 -.0010      0
O3    .350  .032 .0825      1.4  .0160  .0130  .0230 -.0010 -.0050 -.0030
O4    .245  .392 .1758      1.3  .0170  .0160  .0160  .0030  .0060  .0010
O5    .745  .130 .1766      2.7  .0400  .0090  .0550      0  .0070 -.0040
OH1   .206  .960   .25      2.0  .0350  .0180  .0220 -.0040      0      0
OH2   .790  .565   .25      1.7  .0220  .0020  .0410  .0030      0      0