Sinhalite Hayward C L, Angel R J, Ross N L European Journal of Mineralogy 6 (1994) 313-321 The structural redetermination and crystal chemistry of sinhalite, MgAlBO4 _database_code_amcsd 0006536 4.3320 9.8819 5.6813 90 90 90 Pbnm atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) AlM1 0 0 0 .40 .0059 .00103 .0027 -.00027 -.0005 -.00001 AlM2 -.01468 .27606 1/4 .05 .41 .0062 .00094 .0031 .00007 0 0 MgM2 -.01468 .27606 1/4 .92 .41 .0062 .00094 .0031 .00007 0 0 FeM2 -.01468 .27606 1/4 .015 .41 .0062 .00094 .0031 .00007 0 0 B .4085 .0874 1/4 .43 .0058 .0010 .0037 -.0002 0 0 O1 .7410 .08063 1/4 .44 .0051 .00127 .0033 -.0000 0 0 O2 .2566 .44414 1/4 .41 .0062 .00091 .0032 -.0001 0 0 O3 .2647 .14876 .0385 .44 .0065 .00106 .0032 -.00015 -.0002 .00025