Cordierite Schwartz K B, Leong D B, McConville R L Physics and Chemistry of Minerals 20 (1994) 563-574 Structural chemistry of synthetic cordierite: evidence for solid solutions and disordered compositional domains in Bi-flux-grown Mg-cordierites Sample: Synthesized in 5 at% bismuth oxide flux at 1000 C for 12 hours Note: tetrahedral site occupancies are assumed, not refined _database_code_amcsd 0007856 17.0299 9.7424 9.3481 90 90 90 Cccm atom x y z occ Biso MgM .3369 0 .25 .91 AlT11 .25 .25 .2525 .73 SiT16 0 .5 .25 .84 SiT21 .1914 .0803 0 .86 SiT23 .1343 -.2380 0 .82 AlT26 .0499 .3106 0 .54 O11 .2470 -.1037 .3584 1.04 O16 .0637 -.4163 .3492 .77 O13 -.1735 -.3108 .3578 .88 O26 .0420 -.2508 0 1.46 O21 .1199 .1883 0 1.45 O23 .1633 -.0812 0 1.31 BiC1 0 0 .25 .084 13 BiC2 0 0 0 .032 8