Apatite-(CaCl) Luo Y, Hughes J M, Rakovan J, Pan Y American Mineralogist 94 (2009) 345-351 Site preference of U and Th in Cl, F, and Sr apatites Locality: synthetic Note: UClAP _database_code_amcsd 0004843 9.6233 9.6233 6.7784 90 90 120 P6_3/m 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 2/3 1/3 -.00328 .994 .0142 .0168 .0168 .0092 .0084 0 0 U1 2/3 1/3 -.00328 .006 .0142 .0168 .0168 .0092 .0084 0 0 Ca2 .26006 .00142 1/4 .993 .0148 .0150 .0172 .0113 .0072 0 0 U2 .26006 .00142 1/4 .007 .0148 .0150 .0172 .0113 .0072 0 0 P .40541 .37322 1/4 .0096 .0107 .0094 .0096 .0056 0 0 O1 .34064 .49039 1/4 .0176 .0270 .0186 .0154 .0175 0 0 O2 .59083 .46428 1/4 .0188 .0116 .0141 .0293 .0053 0 0 O3 .35241 .26521 .06722 .0261 .0433 .0225 .0219 .0235 -.0188 -.0123 Cl 0 0 .05959 .0681 .0220 .0220 .1623 .0110 0 0