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(12) Potassium-fluor-richterite Note: z-coordinate of O2 corrected _database_code_amcsd 0006446 10.028 18.039 5.289 90 105.04 90 C2/m atom x y z occ Biso O1 .1103 .0853 .2203 .51 O2 .1169 .1695 .7258 .66 OH3 .1021 0 .7152 2 .71 O4 .3611 .2485 .7990 1.09 O5 .3441 .1302 .1011 .97 O6 .3406 .1175 .5958 .96 O7 .3335 0 .3070 .79 KA 0 .5 0 .323 2.41 KAm .0269 .5 .0598 .323 2.50 TiM1 0 .0885 .5 .006 .61 FeM1 0 .0885 .5 .0646 .61 MgM1 0 .0885 .5 .9283 .61 MnM1 0 .0885 .5 .001 .61 TiM2 0 .1789 0 .006 .62 FeM2 0 .1789 0 .0646 .62 MgM2 0 .1789 0 .9283 .62 MnM2 0 .1789 0 .001 .62 TiM3 0 0 0 .006 .49 FeM3 0 0 0 .0646 .49 MgM3 0 0 0 .9283 .49 MnM3 0 0 0 .001 .49 CaM4 0 .2781 .5 .5265 .95 NaM4 0 .2781 .5 .4595 .95 SiT1 .2759 .0848 .3038 .9456 .46 AlT1 .2759 .0848 .3038 .0096 .46 TiT1 .2759 .0848 .3038 .0447 .46 SiT2 .2845 .1718 .8093 .9456 .48 AlT2 .2845 .1718 .8093 .0096 .48 TiT2 .2845 .1718 .8093 .0447 .48