Zippeite Burns P C, Deely K M, Hayden L A The Canadian Mineralogist 41 (2003) 687-706 The crystal chemistry of the zippeite group _database_code_amcsd 0005847 8.7524 13.9197 17.6972 90 104.178 90 C2 atom x y z occ Uiso U(1) .9214 .2948 .0865 .020 U(2) .5874 .3261 -.0871 .018 U(3) -.0782 .3345 -.4132 .013 U(4) -.4120 .3028 -.5868 .014 S(1) .2494 .3099 -.2488 .020 S(2) -.7500 .3230 -.7491 .016 K(1) .3091 .5603 -.0830 .39 .063 K(1A) .2957 .5583 -.1366 .52 .035 K(2) .1985 .5689 -.3673 .70 .049 K(2A) .1852 .5686 -.4274 .30 .028 K(3) .6781 .0586 .1270 .33 .029 K(3A) .6138 .0628 .0442 .47 .106 O(1) -.8216 .3818 -.7007 .022 O(2) -.6749 .3819 -.7981 .020 O(3) .3662 .3742 -.1956 .021 O(4) .1382 .3781 -.2990 .018 O(5) -.8684 .2635 -.7974 .021 O(6) .3205 .2453 -.2995 .023 O(7) .1742 .2406 -.2021 .021 O(8) .8498 .3066 -.0444 .014 O(9) -.6282 .2652 -.6978 .021 O(10) .9157 .4190 .1107 .029 O(11) -.1442 .2958 -.5441 .016 O(12) .5819 .4533 -.0655 .023 O(13) -.3534 .3199 -.4559 .012 O(14) .5840 .2016 -.1150 .031 O(15) -.0818 .2104 -.3892 .024 O(16) -.4171 .4253 -.6171 .030 O(17) .9152 .1707 .0676 .030 OH(18) .6447 .2730 .0469 .021 O(19) -.4073 .1831 -.5610 .025 O(20) -.0642 .4614 -.4287 .022 Wat(21) -.1515 .0604 -.5940 .061 Wat(22) .5217 .5611 -.2500 .090 Wat(23) .0246 .5619 -.2549 .049