Structures by: Springel V. K.
Total: 2
Na2 (U O2)2 (Si O4) F2
F2Na2O8SiU2
Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-) (1999) 1999, 253-264
a=6.975Å b=6.975Å c=18.31Å
α=90° β=90° γ=90°
Zippeite
H5KO12SU2
The Canadian Mineralogist (1995) 33, 1091-1101
a=8.755Å b=13.987Å c=17.730Å
α=90° β=104.13° γ=90°