AM_Dickite_4 Formula: Si2 Al2 O9 H4 Name: Dickite Unit cell: 5.1375 8.9178 14.389 90.0 96.74 90.0 , V=654.68 Space group: C1C1 (9)

Joswig W , Drits V A , Neues Jahrbuch fur Mineralogie, Monatshefte , 1986 (1986) p.19-22, The orientation of the hydroxyl groups in dickite by X-ray diffraction, Locality: Kilantyubinsk mine, USSR, Note: z-coordinate of Si1 altered to reproduce reported bond lengths