Almeidaite Menezes L A D, Chukanov N V, Rastsvetaeva R K, Aksenov S M, Pekov I V, Chaves M L S C, Richards R P, Atencio D, Brandao P R G, Scholz R, Krambrock K, Moreira R L, Guimaraes F S, Romano A W, Persiano A C, de Oliveira L C A, Ardisson J D Mineralogical Magazine 79 (2015) 269-283 Almeidaite, Pb(Mn,Y)Zn2(Ti,Fe3+)18O36(O,OH)2, a new crichtonite-group mineral, from Novo Horizonte, Bahia, Brazil Locality: Novo Horizonte, Bahia, Brazil _database_code_amcsd 0020699 10.4359 10.4359 21.0471 90 90 120 R-3 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) PbM0 0 0 0 .59 .0495 .0303 .0303 .0879 .0152 0 0 SrM0 0 0 0 .12 .0495 .0303 .0303 .0879 .0152 0 0 CaM0 0 0 0 .04 .0495 .0303 .0303 .0879 .0152 0 0 LaM0 0 0 0 .03 .0495 .0303 .0303 .0879 .0152 0 0 MnM1 1/3 2/3 1/6 .54 .0100 .0097 .0097 .0105 .0049 0 0 YM1 1/3 2/3 1/6 .46 .0100 .0097 .0097 .0105 .0049 0 0 ZnM2 0 0 .3093 .72 .0086 .0062 .0062 .0133 .0031 0 0 FeM3 -.1458 .0378 .1654 .73 .0099 .0089 .0090 .0131 .0055 .0007 .0002 TiM3 -.1458 .0378 .1654 .24 .0099 .0089 .0090 .0131 .0055 .0007 .0002 MnM3 -.1458 .0378 .1654 .03 .0099 .0089 .0090 .0131 .0055 .0007 .0002 TiM4 -.4226 -.0136 .0656 .0088 .0088 .0085 .0100 .0051 .0004 .0001 TiM5 .0882 .3379 .0589 .0111 .0108 .0094 .0137 .0054 .0004 .0031 FeM6 0 0 .3694 .25 .0206 .0154 .0154 .031 .0077 0 0 O1 -.3072 -.0753 .2264 .0078 .0070 .0058 .0121 .0043 .0013 .0022 O2 -.2982 -.0636 .0070 .0114 .0141 .0093 .0114 .0064 .0007 .0002 O3 -.2586 .1053 .1164 .0089 .0044 .0057 .0154 .0016 .0020 .0005 O4 .0467 .1739 .1103 .0089 .0074 .0052 .0145 .0035 .0015 .0029 O5 -.4777 -.1998 .1024 .0108 .0162 .0065 .0129 .0079 .0005 .0015 O6 .0513 .1978 .3361 .0095 .0094 .0089 .0118 .0057 .0015 .0020 O7 0 0 .2142 .6 .0102 .0032 .0032 .024 .0016 0 0 OH7 0 0 .2142 .4 .0102 .0032 .0032 .024 .0016 0 0