Mckelveyite-(Y) Demartin F, Gramaccioli C M, Campostrini I, Diella V The Canadian Mineralogist 46 (2008) 195-203 The crystal structure of mckelveyite-(Y)-2M, a new monoclinic polytype from Val Malenco, Italian Alps Locality: "Cava Fabi," talc quarry near Lanzada, Val Malenco, Lombardy, Italy _database_code_amcsd 0006180 15.8213 9.1364 13.7522 90 112.44 90 Cc atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na .1646 -.0834 -.0068 .018 .021 .012 .023 -.000 .010 .001 Ba1 .06707 .07929 .19538 .93 .0089 .0084 .0077 .0111 -.0001 .0043 -.0003 Sr1 .06707 .07929 .19538 .07 .0089 .0084 .0077 .0111 -.0001 .0043 -.0003 Ba2 -.10600 .58255 .19136 .93 .0100 .0101 .0092 .0112 .0003 .0046 -.0007 Sr2 -.10600 .58255 .19136 .07 .0100 .0101 .0092 .0112 .0003 .0046 -.0007 Ba3 .23060 .58870 .18838 .93 .0124 .0112 .0115 .0153 -.0008 .0059 -.0007 Sr3 .23060 .58870 .18838 .07 .0124 .0112 .0115 .0153 -.0008 .0059 -.0007 Ca -.16659 -.08353 -.0044 .83 .0165 .0173 .0167 .0160 .0009 .0070 .0005 NaCa -.16659 -.08353 -.0044 .07 .0165 .0173 .0167 .0160 .0009 .0070 .0005 SrCa -.16659 -.08353 -.0044 .10 .0165 .0173 .0167 .0160 .0009 .0070 .0005 Y 0 .41563 0 .74 .0068 .0061 .0061 .0088 -.0001 .0033 -.0001 CeY 0 .41563 0 .13 .0068 .0061 .0061 .0088 -.0001 .0033 -.0001 CaY 0 .41563 0 .12 .0068 .0061 .0061 .0088 -.0001 .0033 -.0001 C1 .0387 -.2510 .1166 .014 C2 .2053 .2559 .1164 .011 C3 -.1264 .2531 .1174 .012 C4 .0126 .1476 -.0991 .015 C5 .0784 .6198 -.0978 .014 C6 -.1899 .4833 -.0984 .014 O11 -.0320 -.1849 .1164 .014 .009 .013 .022 .008 .006 .001 O12 .1048 -.1844 .1119 .015 .016 .008 .026 -.002 .012 .003 O13 .0425 -.3951 .1288 .012 .015 .005 .019 .002 .009 -.002 O21 .2033 .1135 .1086 .016 .018 .007 .026 -.001 .011 -.003 O22 .1388 .3243 .1265 .011 .007 .011 .015 .005 .002 .004 O23 .2754 .3257 .1208 .013 .013 .007 .022 -.001 .009 .003 O31 -.1253 .1086 .1176 .014 .018 .005 .023 .001 .013 .000 O32 -.0546 .3215 .1242 .010 .013 .006 .013 .000 .007 .002 O33 -.1956 .3197 .1152 .016 .011 .010 .032 .008 .012 .005 O41 .0271 .2765 -.1328 .018 .018 .013 .026 .001 .012 .000 O42 -.0163 .1482 -.0238 .019 .027 .022 .012 .002 .011 -.002 O43 .0263 .0294 -.1399 .020 .026 .017 .021 .001 .012 -.004 O51 .1292 .5399 -.0242 .018 .017 .020 .018 .000 .007 .008 O52 -.0099 .5954 -.1309 .019 .015 .018 .027 .000 .009 .004 O53 .1100 .7210 -.1379 .021 .021 .020 .022 -.004 .010 .005 O61 -.1377 .5629 -.0233 .021 .015 .026 .021 .000 .005 -.006 O62 -.1506 .3792 -.1315 .019 .013 .021 .024 -.001 .009 -.004 O63 -.2764 .5017 -.1385 .022 .011 .025 .026 .003 .004 -.003 Wat1 -.1062 -.1522 -.1350 .020 .018 .021 .022 .004 .009 .001 Wat2 -.2303 .1071 -.1335 .021 .018 .019 .024 .002 .005 .003 Wat3 -.2976 -.2077 -.1330 .021 .016 .024 .022 -.002 .007 -.003