Information card for entry 9000185

Structure parameters

• Mineral name: Norbergite
• Formula: F1.8 H0.2 Mg3 O4.2 Si
• Calculated formula: F1.8 H0.2 Mg3 O4.2 Si
• Title of publication: The crystal structures of the humite minerals: I. Norbergite
• Authors of publication: Gibbs, G. V.; Ribbe, P. H.
• Journal of publication: American Mineralogist
• Year of publication: 1969
• Journal volume: 54
• Pages of publication: 376 - 390
• a: 4.7104 Å
• b: 10.2718 Å
• c: 8.7476 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 423.246 ų
• Number of distinct elements: 5
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No