AM_Cesanite_1 Formula: Ca2.98 Na7.02 S6 O25.77 H1.77 Name: Cesanite Unit cell: 9.463 9.463 6.9088 90.0 90.0 120.0 , V=535.79 Space group: P-6 (174)

Piotrowski A , Kahlenberg V , Fischer R X , Lee Y , Parise J B , American Mineralogist , 87 (2002) p.715-720, The crystal structures of cesanite and its synthetic analogue -, A comparison, Sample: natural