Marshite Cooper M A, Hawthorne F C The Canadian Mineralogist 35 (1997) 785-786 A note on the crystal structure of marshite Note: ZnS structure, sphalerite structure _database_code_amcsd 0005529 6.063 6.063 6.063 90 90 90 F-43m atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Cu .25 .25 .25 .0336 .0336 .0336 0 0 0 I 0 0 0 .0194 .0194 .0194 0 0 0