Richterite Oberti R, Ungaretti L, Cannillo E, Hawthorne F C European Journal of Mineralogy 4 (1992) 425-439 The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite Sample: R(1) Fluor-richterite _database_code_amcsd 0006438 9.884 18.005 5.274 90 104.65 90 C2/m atom x y z occ Biso O1 .1111 .0853 .2187 .51 O2 .1190 .1698 .7262 .55 O3 .1053 0 .7140 .4185 .65 F .1053 0 .7140 .5815 .65 O4 .3630 .2487 .7935 .73 O5 .3469 .1326 .0970 .80 O6 .3436 .1173 .5933 .73 O7 .3393 0 .2929 .86 NaA 0 .5 0 .304 4.39 KA 0 .5 0 .133 4.39 NaAm .0368 .5 .0811 .152 3.02 KAm .0368 .5 .0811 .0665 3.02 TiM1 0 .0886 .5 .0047 .48 FeM1 0 .0886 .5 .0533 .48 MgM1 0 .0886 .5 .9393 .48 MnM1 0 .0886 .5 .0026 .48 TiM2 0 .1781 0 .0047 .47 FeM2 0 .1781 0 .0533 .47 MgM2 0 .1781 0 .9393 .47 MnM2 0 .1781 0 .0026 .47 TiM3 0 0 0 .0047 .45 FeM3 0 0 0 .0533 .45 MgM3 0 0 0 .9393 .45 MnM3 0 0 0 .0026 .45 CaM4 0 .2774 .5 .6965 .89 NaM4 0 .2774 .5 .28 .89 SiT1 .2793 .0845 .2978 .9536 .38 AlT1 .2793 .0845 .2978 .0448 .38 TiT1 .2793 .0845 .2978 .0016 .38 SiT2 .2875 .1714 .8046 .9536 .38 AlT2 .2875 .1714 .8046 .0448 .38 TiT2 .2875 .1714 .8046 .0016 .38 H .1983 0 .7911 .4185 .40