Laumontite
Fridriksson T, Bish D L, Bird D K
American Mineralogist 88 (2003) 277-287
Hydrogen-bonded water in laumontite I: X-ray powder diffraction
study of water site occupancy and structural changes in laumontite
during room-temperature isothermal hydration/dehydration
Sample: P = P = 37.6 mbar PH2O
_database_code_amcsd 0002980
14.8786 13.1708 7.5373 90 110.196 90 C2/m
atom      x      y      z  occ   Uiso
Si1  .23594 .38305  .1507      .01077
Si2  .07851 .38374  .3254      .00757
Al   .12877 .30795  .7362      .01049
O1    .2586    .50  .2202       .0107
O2    .2094  .3790  .9242       .0106
O3    .1391  .3780  .5472       .0085
O4   .14540  .3450  .2079       .0030
O5    .3292 .31594  .2616       .0055
O6    .0450    .50  .2691       .0055
O7   .01190  .3076  .7324       .0093
Ca   .26006    .50  .7353       .0144
Wat1  .0138  .1717   .021 .428  .0244
Wat2  .3972    .50  .0226       .0244
Wat5    .50  .5242    .50 .467  .0600
Wat8  .1414  .1194  .3574       .0600