Tengerite-(Y) Miyawaki R, Kuriyama J, Nakai I American Mineralogist 78 (1993) 425-432 The redefinition of tengerite-(Y), Y2(CO3)3.2-3H2O, and its crystal structure _database_code_amcsd 0001554 6.078 9.157 15.114 90 90 90 Bb2_1m atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Y .4984 0 .34223 .0065 .00243 .00110 -.0004 -.0010 .0006 C1 .256 .257 .1957 0.70 C2 .276 .064 .5 .007 .003 .0016 -.001 0 0 O1 .332 .129 .2201 0.75 O2 .1068 .253 .1343 0.82 O3 .311 .375 .2292 0.79 O4 .473 .012 .5 1.18 O5 .186 .097 .421 .002 .011 .0026 .000 .0006 -.0024 OH .183 .414 .411 2.28