Information card for entry 9016221

Structure parameters

• Mineral name: Benitoite
• Formula: Ba O9 Si3 Ti
• Calculated formula: Ba2 O18 Si6 Ti2
• Title of publication: Second-order P6c2-P31c transition and structural crystallography of the cyclosilicate benitoite, BaTiSi3O9, at high pressure Note: P = 3.56 GPa
• Authors of publication: Hejny, C.; Miletich, R.; Jasser, A.; Schouwink, P.; Crichton, W.; Kahlenberg, V.
• Journal of publication: American Mineralogist
• Year of publication: 2012
• Journal volume: 97
• Pages of publication: 1749 - 1763
• a: 6.5689 Å
• b: 6.5689 Å
• c: 9.6804 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 361.751 ų
• Number of distinct elements: 4
• Space group number: 188
• Hermann-Mauguin space group symbol: P -6 c 2
• Hall space group symbol: P -6c 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No