Picromerite Bosi F, Belardi G, Ballirano P American Mineralogist 94 (2009) 74-82 Structural features in Tutton's salts K2[M2+(H2O)6](SO4)2, with M2+= Mg, Fe, Co, Ni, Cu, and Zn Locality: synthetic _database_code_amcsd 0004776 9.0954 12.2484 6.1335 90 104.880 90 P2_1/a atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K .13134 .34617 .34067 .03040 .03259 .03123 .02921 -.00269 .01124 -.00037 MgM 0 0 0 .01600 .0154 .0168 .0157 -.0011 .0037 .0002 S .41077 .13607 .72574 .01749 .01540 .01931 .01754 -.00266 .00382 -.00196 O1 .40448 .23014 .57271 .0333 .0511 .0242 .0240 -.0128 .0083 .0023 O2 .55583 .07906 .7543 .0410 .0185 .0552 .0456 .0099 .0016 -.0102 O3 .28666 .06067 .62018 .02365 .0214 .0240 .0257 -.0080 .0064 -.0059 O4 .39265 .17398 .94652 .0272 .0377 .0261 .0193 -.0045 .0103 -.0048 OW1 .16878 .10875 .16561 .02416 .0219 .0284 .0208 -.0074 .0029 -.0005 OW2 -.16687 .11337 .03085 .02245 .0192 .0208 .0272 .0013 .0058 .0010 OW3 -.00576 -.06931 .29752 .02324 .0280 .0219 .0225 .0028 .0114 .0037 H11 .208 .090 .284 .045 H12 .232 .124 .104 .032 H21 -.245 .104 -.054 .049 H22 -.145 .177 -.003 .040 H31 -.073 -.066 .340 .075 H32 .027 -.131 .334 .051