AM_Celestine_1 Formula: Sr S O4 Name: Celestine Unit cell: 8.36 5.352 6.858 90.0 90.0 90.0 , V=306.85 Space group: PNMA (62)

Hawthorne F C , Ferguson R B , The Canadian Mineralogist , 13 (1975) p.181-187, Anhydrous sulphates. I: Refinement of the crystal structure of celestite, with an appendix on the structure of thenardite