Information card for entry 9015910

Structure parameters

• Mineral name: Norbergite
• Formula: F Mg3 O5 Si
• Calculated formula: F4 Mg12 O20 Si4
• Title of publication: The Structure of Norbergite _cod_database_code 1011009
• Authors of publication: Taylor, W.; West, J.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1929
• Journal volume: 70
• Pages of publication: 461 - 474
• a: 4.7 Å
• b: 10.2 Å
• c: 8.72 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 418.037 ų
• Number of distinct elements: 4
• 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