Walentaite Grey I E, Mumme W G, Hochleitner R European Journal of Mineralogy 31 (2019) 111-116 Trimeric As3+3O6 clusters in walentaite: crystal structure and revised formula Locality: White Elephant mine, Pringle, South Dakota, USA _database_code_amcsd 0020839 26.188 7.3600 10.367 90 90 90 Imma atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Fe1 .25 .25 .25 .024 .033 .021 .018 0 -.001 0 Fe2 .3244 .5 .5 .024 .032 .018 .024 0 0 0 P1 .3742 .25 .2809 .842 .028 .030 .026 .027 0 .004 0 As1 .3742 .25 .2809 .158 .028 As2 .2121 .0274 .5106 .396 .030 .034 .029 .027 .003 .001 -.001 As3 .2698 .3025 .6925 .240 .026 .035 .019 .025 .002 .004 .002 Mn1 .5 .75 .2947 .652 .059 .076 .035 .068 0 0 0 Ca1 .5 .75 .1681 .256 .033 Ca2 .1851 0 .5 .226 .045 O1 .4206 .25 .1912 .043 .042 .049 .038 0 .008 0 O2 .3237 .25 .1993 .042 .033 .062 .031 0 .004 0 O3 .3748 .4238 .3703 .033 .037 .023 .039 -.001 .008 .002 O4A .2656 .5380 .6280 .36 .025 .029 .022 .024 .003 -.001 -.003 O4B .2595 .5710 .6080 .64 .025 .029 .022 .024 .003 -.001 -.003 O5 .3207 .25 .5771 .028 .039 .019 .026 0 .001 0 O6 .2111 .25 .5938 .52 .035 .035 .022 .050 0 .012 0 OW1A .5716 .75 .3193 .44 .040 OW1B .5858 .75 .2577 .40 .045 OW2A .5 .4560 .2751 .56 .049 OW2B .5 .5160 .1880 .334 .072 OW3 .5220 .75 .4830 .09 .099 OW4 0 .25 .5870 .24 .062 OW5 .4387 .5500 .0280 .25 .084