Tazheranite Rastsvetaeva R K, Pushcharovskii D Yu, Spiridonov E M, Gekimyants V M Doklady Akademii Nauk SSSR 359 (1998) 529-531 Tazheranite and calzirtite: structural-mineralogical similarity and distinction _database_code_amcsd 0012493 5.111 5.111 5.111 90 90 90 Fm-3m atom x y z occ Ca4a 0 0 0 .22 Ti4a 0 0 0 .22 Zr4a 0 0 0 .56 O8c .25 .25 .25 .89