AM_Burkeite
Formula: Na3 C.61 S.89 O3.5
Name: Burkeite
Unit cell: 5.17 9.217 7.058 90.0 90.0 90.0 , V=336.33
Space group: PMNM (59)

Giuseppetti G , Mazzi F , Tadini C , Neues Jahrbuch fur Mineralogie, Monatshefte , 1988 (1988) p.203-221, The crystal structure of synthetic burkeite Na4SO4(CO3)t(SO4)1-t, Sample A, Note sign of y-coordinate for O3 and O5 altered to reproduce reported bond lengths, Locality: synthetic