Benitoite Fisher V K Zeitschrift fur Kristallographie 129 (1969) 222-243 Verfeinerung der kristallstruktur von benitoit BaTi[Si3O9] Sample: Dallas Gem Mine, San Benito, Ca _database_code_amcsd 0010684 6.6410 6.6410 9.759 90 90 120 P-6c2 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ba 2/3 1/3 0 Ti 1/3 2/3 0 Si .07113 .28941 .25 .00227 .00213 .00066 .00119 0 0 O1 .25348 .19273 .25 .00380 .00328 .00281 .00178 0 0 O2 .08800 .43019 .11275 .00464 .00535 .00162 .00236 .00049 .00143