AM_Omongwaite
Formula: Ca2.572 Na.856 S3 O13.42 H4
Name: Omongwaite
Unit cell: 12.089 6.903 6.3537 90.0 90.089 90.0 , V=530.22
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: subcell, Locality: synthetic