Hingganite-(Yb)
Yakubovich O V, Matvinenko E N, Voloshin A V, Simonov M A
Kristallografiya 28 (1983) 457-460
The crystal structure of hingganite-(Yb), (Y0.51Yb0.36Ca0.13)Fe0.065Be[SiO4](OH)
_database_code_amcsd 0014186
9.888 7.607 4.740 90 90.45 90 P2_1/a
atom      x     y     z occ Biso
Y    .33301 .1089 .9987 .51  .80
Yb   .33301 .1089 .9987 .36  .80
Ca   .33301 .1089 .9987 .13  .80
Fe        0     0     0 .13   .9
Be     .335  .413  .448       .1
Si    .0791 .2763 .5190      .33
O1    .1950  .347  .300       .5
O2    .1485  .109  .687       .6
O3    .0332  .412  .764       .5
O4    .4499  .284  .326       .5
OH5   .3305  .412  .786       .5