Information card for entry 9011837

Structure parameters

• Mineral name: Herderite
• Formula: Be Ca F O4 P
• Calculated formula: Be Ca F O4 P
• Title of publication: The structures of herderite, datolite and gadolinite determined by direct methods
• Authors of publication: Pavlov, P. V.; Belov, N. V.
• Journal of publication: Soviet Physics Crystallography
• Year of publication: 1959
• Journal volume: 4
• Pages of publication: 300 - 314
• a: 9.8 Å
• b: 7.68 Å
• c: 4.8 Å
• α: 90°
• β: 90.1°
• γ: 90°
• Cell volume: 361.267 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No