AM_Omongwaite_1
Formula: Ca2.572 Na.858 S3 O13.442 H4
Name: Omongwaite
Unit cell: 24.1781 13.805 12.7074 90.0 90.089 90.0 , V=4241.45
Space group: C121 (5)

Freyer D , Reck G , Bremer M , Voigt W , Monatshefte fur Chemie , 130 (1999) p.1179-1193, Thermal behaviour and crystal structure of sodium-containing hemihydrates, of calcium sulfate, Note: supercell, Locality: synthetic