Magnesiotaramite Hawthorne F C, Oberti R, Sardone N The Canadian Mineralogist 34 (1996) 577-593 Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order Sample: A5 - G230F N.3 _database_code_amcsd 0005490 9.772 17.853 5.310 90 104.83 90 C2/m atom x y z occ Biso SiT1 .2810 .0870 .3022 .78 .43 AlT1 .2810 .0870 .3022 .22 .43 SiT2 .2920 .1741 .8157 .78 .41 AlT2 .2920 .1741 .8157 .22 .41 MgM1 0 .0899 .5 .91 .54 FeM1 0 .0899 .5 .09 .54 AlM2 0 .1781 0 .56 .54 TiM2 0 .1781 0 .02 .54 FeM2 0 .1781 0 .25 .54 MgM2 0 .1781 0 .17 .54 MgM3 0 0 0 .78 .49 FeM3 0 0 0 .22 .49 CaM4 0 .2804 .5 .53 .75 NaM4 0 .2804 .5 .47 .75 NaAm .0304 .5 .0806 .22 3.13 NaA2 0 .4735 0 .78 2.48 H .1981 0 .7682 1.34 O1 .1048 .0918 .2115 .70 O2 .1192 .1737 .7431 .63 Oh3 .1095 0 .7093 .72 O4 .3685 .2525 .7957 .73 O5 .3537 .1398 .1086 .87 O6 .3424 .1176 .6095 .90 O7 .3382 0 .2763 1.08