Beusite Wise M A, Hawthorne F C, Cerny P The Canadian Mineralogist 28 (1990) 141-146 Crystal structure of Ca-rich beusite from the Yellowknife pegmatite field, Northwest Territories Locality: Yellowknife pegmatite field, Northwest Territories, Canada _database_code_amcsd 0005239 8.797 11.758 6.170 90 99.31 90 P2_1/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) Ca1 .9495 .12423 .8267 .0110 .0132 .0094 .0102 -.0004 .0009 -.0011 Fe2 .71181 .07841 .3268 .90 .0131 .0132 .0187 .0073 .0037 .0013 .0005 Ca2 .71181 .07841 .3268 .10 .0131 .0132 .0187 .0073 .0037 .0013 .0005 Mn3 .3582 .19006 .1334 .92 .0113 .0124 .0125 .0089 .0025 .0013 .0003 Ca3 .3582 .19006 .1334 .08 .0113 .0124 .0125 .0089 .0025 .0013 .0003 P1 .0929 .1334 .3964 .0084 .0088 .0086 .0079 -.0005 .0021 .0008 P2 .5994 .0899 .8070 .0084 .0082 .0098 .0070 .0005 .0011 -.0002 O1 .0832 .0707 .1791 .0120 .0156 .0113 .0093 .0016 -.0001 -.0012 O2 .4704 .1748 .8316 .0120 .0083 .0163 .0135 .0031 .0052 .0028 O3 .9361 .1856 .4281 .0120 .0108 .0125 .0140 .0016 .0031 .0007 O4 .6855 .1283 .6224 .0130 .0139 .0141 .0106 -.0025 .0014 .0003 O5 .2061 .2332 .3841 .0140 .0171 .0151 .0108 -.0090 .0044 -.0023 O6 .7241 .0923 .0133 .0140 .0105 .0208 .0103 .0011 -.0010 .0002 O7 .1459 .0587 .5971 .0120 .0122 .0139 .0102 .0036 .0013 .0030 O8 .5334 -.0316 .7634 .0120 .0100 .0128 .0129 .0001 .0022 -.0024