Filatovite Filatov S K, Krivovichev S V, Burns P C, Vergasova L P European Journal of Mineralogy 16 (2004) 537-543 Crystal structure of filatovite, K[(Al,Zn)2(As,Si)2O8], the first arsenate of the feldspar group _database_code_amcsd 0007076 8.772 13.370 14.690 90 115.944 90 I2/c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K .28451 .00038 .06940 .90 .0465 .0292 .0567 .0483 -.0009 .0122 -.0010 Na .28451 .00038 .06940 .10 .0465 .0292 .0567 .0483 -.0009 .0122 -.0010 AsT1 .00850 .18364 .10767 .55 .0175 .0187 .0189 .0154 -.00378 .00783 -.00119 SiT1 .00850 .18364 .10767 .45 .0175 .0187 .0189 .0154 -.00378 .00783 -.00119 AlT2 .00558 .18560 .61510 .94 .0205 .0201 .0236 .0181 -.0032 .0085 -.0014 ZnT2 .00558 .18560 .61510 .06 .0205 .0201 .0236 .0181 -.0032 .0085 -.0014 AlT3 .71009 .12077 .17143 .96 .0215 .0207 .0197 .0229 -.0009 .0084 -.0007 ZnT3 .71009 .12077 .17143 .04 .0215 .0207 .0197 .0229 -.0009 .0084 -.0007 AsT4 .70229 .11568 .67225 .55 .0177 .0174 .0154 .0185 -.00107 .00627 -.00060 SiT4 .70229 .11568 .67225 .45 .0177 .0174 .0154 .0185 -.00107 .00627 -.00060 O1 .0046 .1435 .0010 .0292 .0389 .0292 .0200 -.0001 .0134 -.0031 O2 .6299 .9986 .1418 .0345 .0303 .0203 .0418 .0027 .0056 .0047 O3 .8340 .1450 .1076 .0448 .0342 .062 .0476 -.0176 .0264 -.0069 O4 .8160 .1447 .6131 .0406 .0290 .060 .0377 -.0080 .0191 .0006 O5 .0253 .3055 .1204 .0297 .0312 .0201 .0352 -.0036 .0121 -.0042 O6 .0336 .3145 .6345 .0305 .0238 .0241 .0386 -.0043 .0091 -.0046 O7 .1751 .1303 .1970 .0351 .0359 .0371 .0211 .0047 .0023 .0034 O8 .1839 .1214 .7048 .0311 .0305 .0354 .0212 .0051 .0056 .0008