AM_Gypsum_4
Formula: Ca S O6 H4
Name: Gypsum
Unit cell: 6.282 15.175 5.673 90.0 114.13 90.0 , V=493.55
Space group: C12/C1 (15)

Comodi P , Nazzareni S , Zanazzi P F , Speziale S , American Mineralogist , 93 (2008) p.1530-1537, High-pressure behavior of gypsum: A single-crystal X-ray study, Locality: Valle di Caramanico, Abruzzo, Italy, Note: P = 0.25 GPa