Ferri-ghoseite Oberti R, Ghose S European Journal of Mineralogy 5 (1993) 1153-1160 Crystal-chemistry of a complex Mn-bearing alkali amphibole ("tirodite") on the verge of exsolution _database_code_amcsd 0006506 9.704 17.990 5.297 90 103.51 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NaA 0 .5 0 .1 6.29 .0121 .0080 .0550 0 .0234 0 KA 0 .5 0 .01 6.29 .0121 .0080 .0550 0 .0234 0 NaAm .0559 .5 .1201 .1 2.55 .0070 .0020 .0282 0 .0073 0 KAm .0559 .5 .1201 .01 2.55 .0070 .0020 .0282 0 .0073 0 FeM1 0 .0881 .5 .144 .60 .0020 .0005 .0047 0 .0011 0 MgM1 0 .0881 .5 .768 .60 .0020 .0005 .0047 0 .0011 0 LiM1 0 .0881 .5 .012 .60 .0020 .0005 .0047 0 .0011 0 MnM1 0 .0881 .5 .076 .60 .0020 .0005 .0047 0 .0011 0 FeM2 0 .1802 0 .144 .54 .0015 .0005 .0047 0 .0008 0 MgM2 0 .1802 0 .768 .54 .0015 .0005 .0047 0 .0008 0 LiM2 0 .1802 0 .012 .54 .0015 .0005 .0047 0 .0008 0 MnM2 0 .1802 0 .076 .54 .0015 .0005 .0047 0 .0008 0 FeM3 0 0 0 .144 .55 .0021 .0003 .0045 0 .0008 0 MgM3 0 0 0 .768 .55 .0021 .0003 .0045 0 .0008 0 LiM3 0 0 0 .012 .55 .0021 .0003 .0045 0 .0008 0 MnM3 0 0 0 .076 .55 .0021 .0003 .0045 0 .0008 0 CaM4 0 .2717 .5 .097 1.36 .0038 .0013 .0118 0 .0042 0 NaM4 0 .2717 .5 .217 1.36 .0038 .0013 .0118 0 .0042 0 MnM4 0 .2717 .5 .142 1.36 .0038 .0013 .0118 0 .0042 0 MgM4 0 .2717 .5 .042 1.36 .0038 .0013 .0118 0 .0042 0 CaM4' 0 .2598 .5 .097 .72 NaM4' 0 .2598 .5 .217 .72 MnM4' 0 .2598 .5 .142 .72 MgM4' 0 .2598 .5 .042 .72 SiT1 .2833 .0850 .2884 .985 .45 .0013 .0003 .0039 .0000 .0004 .0000 AlT1 .2833 .0850 .2884 .0137 .45 .0013 .0003 .0039 .0000 .0004 .0000 SiT2 .2912 .1707 .7964 .985 .50 .0015 .0004 .0041 -.0001 .0004 .0000 AlT2 .2912 .1707 .7964 .0137 .50 .0015 .0004 .0041 -.0001 .0004 .0000 O1 .1126 .0869 .2131 .058 .0014 .0006 .0050 -.0001 .0006 -.0002 O2 .1197 .1705 .7275 .70 .0020 .0006 .0060 .0000 .0008 -.0001 O3 .1102 0 .7108 .8 .74 .0019 .0006 .0070 0 .0011 0 F .1102 0 .7108 .2 .74 .0019 .0006 .0070 0 .0011 0 O4 .3670 .2489 .7902 .98 .0032 .0006 .0094 -.0005 .0005 .0003 O5 .3497 .1312 .0810 .84 .0019 .0009 .0066 -.0001 .0010 .0010 O6 .3450 .1194 .5769 .89 .0020 .0010 .0062 .0000 .0004 -.0009 O7 .3398 0 .2889 .91 .0024 .0004 .0133 0 .0014 0 H .1936 0 .7526 .8 1.31