Information card for entry 9000277

Structure parameters

• Mineral name: Pyrophyllite-1Tc
• Formula: Al2 O11 Si4
• Calculated formula: Al2 O11 Si4
• Title of publication: The crystal structures of pyrophyllite, 1Tc, and of its dehydroxylate
• Authors of publication: Wardle, R.; Brindley, G. W.
• Journal of publication: American Mineralogist
• Year of publication: 1972
• Journal volume: 57
• Pages of publication: 732 - 750
• a: 5.1919 Å
• b: 9.1224 Å
• c: 9.499 Å
• α: 91.17°
• β: 100.21°
• γ: 88.62°
• Cell volume: 442.585 ų
• Number of distinct elements: 3
• Space group number: 2
• Hermann-Mauguin space group symbol: C -1
• Hall space group symbol: -P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No