Information card for entry 9013170

Structure parameters

• Mineral name: Gypsum
• Formula: Ca H4 O6 S
• Calculated formula: Ca O6 S
• SMILES: [Ca]([OH2])[OH2].S(=O)(=O)([O-])[O-]
• Title of publication: High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 3.15 GPa
• Authors of publication: Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 1530 - 1537
• a: 6.162 Å
• b: 14.965 Å
• c: 5.58 Å
• α: 90°
• β: 115.38°
• γ: 90°
• Cell volume: 464.894 ų
• Ambient diffracton pressure: 3150000 kPa
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No