Fluorotaramite 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: A4 - DJ102 N.12 _database_code_amcsd 0005489 9.722 17.862 5.319 90 104.33 90 C2/m atom x y z occ Biso SiT1 .2826 .0866 .2983 .82 .50 AlT1 .2826 .0866 .2983 .18 .50 SiT2 .2919 .1732 .8108 .52 MgM1 0 .0906 .5 .76 .59 FeM1 0 .0906 .5 .24 .59 AlM2 0 .1792 0 .43 .61 TiM2 0 .1792 0 .01 .61 FeM2 0 .1792 0 .43 .61 MgM2 0 .1792 0 .13 .61 MgM3 0 0 0 .65 .60 FeM3 0 0 0 .35 .60 CaM4 0 .2789 .5 .40 1.00 NaM4 0 .2789 .5 .60 1.00 NaAm .0521 .5 .1144 .261 3.01 KAm .0521 .5 .1144 .001 3.01 NaA2 0 .4797 0 .192 4.30 KA2 0 .4797 0 .001 4.30 H .1932 0 .7615 .49 2.25 O1 .1069 .0902 .2107 .80 O2 .1190 .1724 .7409 .73 Oh3 .1085 0 .7083 .49 .94 F3 .1085 0 .7083 .51 .94 O4 .3666 .2522 .7967 .89 O5 .3538 .1363 .0977 1.11 O6 .3430 .1194 .5978 .95 O7 .3408 0 .2862 1.13