AM_Edgarbaileyite
Formula: Hg6 Si2 O7
Name: Edgarbaileyite
Unit cell: 11.755 7.678 5.991 90.0 111.73 90.0 , V=502.29
Space group: C12/M1 (12)

Angel R J , Cressey G , Criddle A J , American Mineralogist , 75 (1990) p.1192-1196, Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate