Malhmoodite Yang H, Gu X, Loomis T, Gibbs R B, Downs R T The Canadian Mineralogist 60 (2022) 485-492 The crystal structure of malhmoodite from Custer, South Dakota, USA Locality: Scott’s Rose Quartz mine, Custer County, South Dakota, USA _database_code_amcsd 0021077 5.31200 9.3419 9.7062 97.6111 91.9796 90.363 P-1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Zr .25126 .74833 .49328 .95 .00673 .00608 .00555 .00850 .00018 -.00084 .00098 Hf .25126 .74833 .49328 .05 .00673 .00608 .00555 .00850 .00018 -.00084 .00098 Fe1 0 0 0 .01812 .01426 .02813 .01216 -.00214 -.00203 .00413 Fe2 .5 .5 0 .01849 .01820 .02339 .01324 .00224 -.00260 .00073 P1 .26803 .44975 .67923 .00733 .00708 .00695 .00784 .00025 -.00085 .00079 P2 .23105 .05873 .32392 .00716 .00709 .00652 .00782 .00018 -.00038 .00096 O1 .31376 .59265 .62190 .01723 .02125 .01165 .02072 -.00075 -.00072 .00965 O2 .24004 .47933 .83585 .01647 .01677 .02334 .00920 .00271 .00053 .00168 O3 .49080 .34866 .64530 .01442 .01418 .01520 .01386 .00620 .00170 .00121 O4 .02760 .37708 .61319 .01711 .01151 .01724 .02082 -.00582 -.00497 -.00232 O5 .00455 .15316 .36776 .01712 .01362 .01705 .01951 .00478 .00309 -.00282 O6 .25436 .05113 .16670 .01658 .01326 .02683 .00981 -.00256 -.00095 .00352 O7 .47074 .12575 .39711 .01502 .01403 .01512 .01502 -.00472 -.00517 .00036 O8 .18909 -.09405 .36223 .01582 .01927 .01041 .01863 -.00318 -.00503 .00669 O9 .28221 .86197 .89582 .02279 .01723 .03298 .01803 -.00305 .00230 .00266 H1_m .44218 .90743 .88305 .03418 H2_m .21812 .81150 .80475 .03418 O10 .16695 .15974 .88697 .03064 .03069 .02849 .03314 -.00542 -.00035 .00628 H3_m .11244 .26256 .93124 .04595 H4_m .14687 .14240 .78961 .04595 O11 .22236 .38664 .11391 .02701 .02219 .03020 .02967 .00250 .00854 .00578 H5_k .08046 .45269 .13021 .04051 H6_k .26774 .35937 .20467 .04051 O12 .31388 .68569 .08921 .02998 .03594 .02989 .02413 .01237 -.00030 .00345 H7_k .30160 .76551 .02456 .04497 H8_k .33262 .72836 .18921 .04497