Lovozerite Yamnova N A, Egorov-Tismenko Y K, Pekov I V Crystallography Reports 46 (2001) 937-941 Refined crystal structure of lovozerite Na2CaZr[Si6O12(OH,O)6]*H2O Locality: Kola Peninsula, Russia _database_code_amcsd 0012374 10.18 10.18 13.13 90 90 120 R3 atom x y z occ Biso NaA .341 .172 .166 .73 4.3 KA .341 .172 .166 .03 4.3 CaC 0 0 .742 .35 6.2 NaC 0 0 .742 .20 6.2 MnC 0 0 .742 .08 6.2 ZrM 0 0 0 .80 2.9 FeM 0 0 0 .14 2.9 TiM 0 0 0 .03 2.9 HfM 0 0 0 .03 2.9 Si1 .4829 .5172 .2208 3.3 Si2 .1835 .3696 .0952 2.2 O1 .447 .224 -.003 7.3 O2 .555 .424 .248 .4 6.5 OH2 .555 .424 .248 .6 6.5 OH3 .208 .104 .325 3.1 O4 .336 .433 .159 8.8 O5 .101 .184 .091 3.1 O6 .601 .667 .161 4.9 WatB .002 .462 .006 .3 4.4