Natrolite Seryotkin Y V, Bakakin V V, Fursenko B A, Belitsky I A, Joswig W, Radaelli P G European Journal of Mineralogy 17 (2005) 305-313 Structural evolution of natrolite during over-hydration: a high-pressure neutron diffraction study Note: Zeolite Sample: Khibiny massif, Kola Peninsula, Russia; P = 1.0 GPa _database_code_amcsd 0007099 18.8971 19.3142 6.4833 90 91.5835 90 Fd atom x y z occ Uiso Na1 -.0209 .2180 .386 .96 .035 Mg1 -.0209 .2180 .386 .03 .035 Ca1 -.0209 .2180 .386 .01 .035 Na10 .0329 .2862 .876 .96 .029 Mg10 .0329 .2862 .876 .03 .029 Ca10 .0329 .2862 .876 .01 .029 Al1 .0472 .0857 .6125 .010 Al10 -.0393 -.0883 .6036 .016 Si1 0 .0047 0 .006 Si2 -.0885 .0432 .3580 .018 Si20 .0942 -.0433 .3761 .005 O1 .0236 .0706 .8678 .012 O10 -.0185 -.0609 .856 .024 O2 .0867 .1676 .603 .014 O20 -.0802 -.1700 .599 .016 O3 .1042 .0203 .5325 .017 O30 -.0960 -.0264 .490 .018 O4 -.0290 .0932 .455 .025 O40 .0361 -.0972 .455 .019 O5 -.0699 .0232 .1252 .015 O50 .0637 -.0188 .1539 .016 Ow6 .0550 .1935 .117 .018 Ow60 -.1036 .3337 .599 .5 .046 Ow7 .0331 .3171 .521 .071 Ow70 -.0606 .1973 .767 .043 D61 .0520 .1526 .051 .064 D62 .0994 .2007 .191 .054 D601 -.055 .328 .630 .40 .09 D602 -.069 .368 .545 .35 .04 D603 -.123 .318 .715 .18 .046 D604 -.141 .350 .484 .12 .046 D71 .014 .368 .469 .60 .071 D72 .092 .315 .493 .50 .071 D73 .055 .357 .411 .44 .071 D74 .064 .309 .387 .40 .071 D701 -.0518 .1550 .828 .079 D702 -.1072 .2111 .809 .070