Sogdianite Cooper M A, Hawthorne F C, Grew E S American Mineralogist 84 (1999) 764-768 The crystal chemistry of sogdianite, a milarite-group mineral Note: U(1,2) for Li2 changed to match symmetry constraints Locality: Dara-i-Pioz, Tadjikistan _database_code_amcsd 0002224 10.053 10.053 14.211 90 90 120 P6/mcc atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) ZrA 1/3 2/3 .25 .38 .0036 .0036 .0047 .0018 0 0 FeA 1/3 2/3 .25 .365 .0036 .0036 .0047 .0018 0 0 TiA 1/3 2/3 .25 .19 .0036 .0036 .0047 .0018 0 0 AlA 1/3 2/3 .25 .065 .0036 .0036 .0047 .0018 0 0 NaB 1/3 2/3 .0192 .425 .0179 .0179 .0395 .0090 0 0 KC 0 0 .25 .0187 .0187 .0210 .0093 0 0 Si1 .11664 .35485 .11056 .0067 .0075 .0066 .0037 .0000 -.0007 Li2 0 .5 .25 .0133 .0183 .0132 .00915 0 0 O1 .1325 .3971 0 .0302 .0194 .0073 .0120 0 0 O2 .2211 .2778 .13506 .0145 .0187 .0194 .0131 -.0015 -.0013 O3 .16186 .5041 .17134 .0114 .0099 .0126 .0056 -.0016 -.0036