Tschernichite Alberti A, Cruciani G, Galli E, Merlino S, Millini R, Quartieri S, Vezzalini G, Zanardi S Journal of Physical Chemistry B106 (2002) 10277-10284 Crystal structure of tetragonal and monoclinic polytypes of tschernichite, the natural counterpart of synthetic zeolite beta Locality: Mt. Adamson, Northern Victoria Land, Antarctica Sample: large crystal, monoclinic _database_code_amcsd 0013153 17.983 17.966 14.625 90 114.31 90 C2/c atom x y z occ Uiso Na1 .1438 .3576 .0005 .09 .039 K1 .1438 .3576 .0005 .023 .039 Mg1 .1438 .3576 .0005 .023 .039 Ca1 .1438 .3576 .0005 .44 .039 Ca2 .305 .521 -.004 .073 .03 Ca3 .474 .696 .004 .079 .03 Si1 .1708 .8334 .8880 .68 .014 Al1 .1708 .8334 .8880 .32 .014 Si2 .2070 .5437 .1145 .79 .017 Al2 .2070 .5437 .1145 .21 .017 Si3 .1924 .4185 .2512 .73 .016 Al3 .1924 .4185 .2512 .27 .016 Si4 .3940 .0186 .6136 .68 .018 Al4 .3940 .0186 .6136 .32 .018 Si5 .5201 .1450 .6140 .73 .018 Al5 .5201 .1450 .6140 .27 .018 Si6 .5 .2743 .75 .78 .014 Al6 .5 .2743 .75 .22 .014 Si7 .2971 .2926 .3892 .75 .014 Al7 .2971 .2926 .3892 .25 .014 Si8 .4193 .1693 .3862 .74 .016 Al8 .4193 .1693 .3862 .26 .016 Si9 .5 .1116 .25 .69 .016 Al9 .5 .1116 .25 .31 .016 O1 .2077 .9163 .8753 .032 O2 .5784 .3306 .8014 .034 O3 .2246 .7652 .8738 .033 O4 .6681 .3329 .9996 .027 O5 .2337 .4827 .2040 .032 O6 .1451 .6024 .1324 .039 O7 .1650 .5016 .0076 .026 O8 .1672 .4554 .3359 .039 O9 .2655 .3563 .3029 .041 O10 .1153 .3825 .1592 .037 O11 .4629 .0805 .6252 .047 O12 .0637 .5621 .3419 .045 O13 .5106 .2245 .6639 .041 O14 .4987 .1623 .4944 .018 O15 .3748 .2513 .3779 .032 O16 .4506 .1689 .2959 .030 Wat1 .156 .224 -.114 .58 .12 Wat2 .118 .254 -.111 .45 .09 Wat3 .286 .347 .117 .41 .07 Wat4 .242 .378 -.108 .62 .11 Wat5 .396 .427 .126 .17 .18 Wat6 .478 .641 -.165 .26 .09 Wat7 .013 .140 .025 .56 .14 Wat8 .011 .021 -.019 .40 .04 Wat9 .145 .011 .007 .61 .14 Wat10 .091 .011 .194 .58 .14