Information card for entry 9000390

Structure parameters

• Mineral name: Ussingite
• Formula: Al H Na2 O9 Si3
• Calculated formula: Al H Na2 O9 Si3
• Title of publication: The crystal structure of ussingite
• Authors of publication: Rossi, G.; Tazzoli, V.; Ungaretti, L.
• Journal of publication: American Mineralogist
• Year of publication: 1974
• Journal volume: 59
• Pages of publication: 335 - 340
• a: 7.256 Å
• b: 7.686 Å
• c: 8.683 Å
• α: 90.75°
• β: 99.75°
• γ: 122.48°
• Cell volume: 399.436 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No