AM_Celestine_4 Formula: (Sr.87 Ba.13) S O4 Name: Celestine Unit cell: 8.408 5.372 6.897 90.0 90.0 90.0 , V=311.52 Space group: PNMA (62)

Brigatti M F , Galli E , , Medici L , Mineralogical Magazine , 61 (1997) p.447-451, Ba-rich celestine: new data and crystal structure refinement, Locality: filling cavities of volcanoclastic rocks, Montecchio Maggiore, Vicenza, Italy