Information card for entry 9008189

Structure parameters

• Mineral name: Fresnoite
• Formula: Ba2 O8 Si2 Ti
• Calculated formula: Ba2 O8 Si2 Ti
• Title of publication: The crystal structure of fresnoite, Ba2(TiO)Si2O7 Negative polarity
• Authors of publication: Moore, P. B.; Louisnathan, S. J.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1969
• Journal volume: 130
• Pages of publication: 438 - 448
• a: 8.518 Å
• b: 8.518 Å
• c: 5.211 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 378.091 ų
• Number of distinct elements: 4
• Space group number: 100
• Hermann-Mauguin space group symbol: P 4 b m
• Hall space group symbol: P 4 -2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No