Almeidaite Kastsvetaeva R K, Aksenov S M, Chukanov N V, Menezes L A D Doklady Chemistry 455 (2014) 53-57 Crystal structure of almeidaite, a new mineral of the crichtonite group Locality: Novo Horizonte, Bahia, Brazil _database_code_amcsd 0020510 10.4359 10.4359 21.0471 90 90 120 R-3 atom x y z occ Uiso Pb1 0 0 0 .6 .0495 Sr1 0 0 0 .1 .0495 Mn1 -2/3 -1/3 1/6 .6 .0100 Y1 -2/3 -1/3 1/6 .4 .0100 Zn1 0 0 .3093 .75 .0098 Fe1 -.1457 .0379 .1655 .7333 .0106 Ti1 -.1457 .0379 .1655 .2333 .0106 Mn2 -.1457 .0379 .1655 .0333 .0106 Ti2 -.4229 -.0137 .0656 .0098 Ti3 .0882 .3379 .0589 .0109 Fe2 0 0 .3681 .25 .021 O1 -.3075 -.0755 .2264 .0078 O2 -.3000 -.0648 .0064 .0111 O3 -.2582 .1052 .1164 .0087 O4 .0459 .1735 .1098 .0088 O5 -.4785 -.2009 .1029 .0120 O6 .0517 .1974 .3361 .0098 O7 0 0 .2150 .59 .0091 OH7 0 0 .2150 .41 .0091