Information card for entry 9000276

Structure parameters

• Mineral name: Pyrophyllite
• Formula: Al H O6 Si2
• Calculated formula: Al H O6 Si2
• 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: 5.1614 Å
• b: 8.9576 Å
• c: 9.3511 Å
• α: 91.03°
• β: 100.37°
• γ: 89.75°
• Cell volume: 425.206 ų
• Number of distinct elements: 4
• 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