Information card for entry 9001569

Structure parameters

• Mineral name: Preiswerkite
• Formula: Al3.15 H2 Mg1.85 Na0.85 O12 Si2
• Calculated formula: Al3.15 H2 Mg1.85 Na0.85 O12 Si2
• Title of publication: The crystal structure of preiswerkite Sample: KP9
• Authors of publication: Oberti, R.; Ungaretti, L.; Tlili, A.; Smith, D. C.; Robert, J.-L.
• Journal of publication: American Mineralogist
• Year of publication: 1993
• Journal volume: 78
• Pages of publication: 1290 - 1298
• a: 5.225 Å
• b: 9.05 Å
• c: 9.791 Å
• α: 90°
• β: 100.27°
• γ: 90°
• Cell volume: 455.562 ų
• Number of distinct elements: 6
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No