Loomisite Yang H, Gu X, Gibbs R B, Downs R T Mineralogical Magazine 87 (2023) 79-85 Loomisite, Ba[Be2P2O8]*H2O, the first natural example with the zeolite ABW-type framework, from Keystone, Pennington County, South Dakota, USA Locality: Keystone, Pennington County, South Dakota, USA _database_code_amcsd 0021209 7.6292 9.4287 4.7621 90 91.272 90 Pn atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ba .88734 .73833 .56787 .964 .01263 .01484 .01315 .00984 .00450 -.00153 -.00024 Be1 .43732 .87949 .62039 .00849 .00652 .00907 .00981 .00580 -.00129 .00025 Be2 .16292 .61450 .09016 .00989 .00338 .01820 .00807 -.00410 -.00015 .00189 P1 .22666 .91752 .10378 .00729 .00779 .00712 .00700 -.00153 .00065 .00046 P2 .36880 .57727 .60900 .00795 .01027 .00739 .00621 .00166 .00047 -.00016 O1 .12570 .78113 .02633 .00995 .01083 .00882 .01019 .00089 .00004 .00529 O2 .39818 .92866 -.06038 .01383 .01129 .02027 .00968 .01236 -.00573 -.00333 O3 .26988 .91835 .42168 .01281 .01320 .01494 .01011 .01038 -.00380 -.00015 O4 .11310 .04449 .02731 .01242 .01876 .00544 .01325 .00275 .00452 .00132 O5 .48160 .71017 .59996 .01367 .00986 .00456 .02673 -.00018 .00383 -.00126 O6 .47507 .44982 .50852 .00809 .00497 .00679 .01267 .00174 .00400 -.00431 O7 .31492 .54652 .91637 .01377 .02256 .01285 .00585 .00801 -.00056 .00556 O8 .19860 .59038 .42974 .00824 .00582 .00934 .00962 -.00130 .00113 .00015 Wat9 .70812 .77251 .06672 .01945 .02026 .02733 .01096 .01050 .00454 -.00831