Information card for entry 9000809

Structure parameters

• Mineral name: Pyrophyllite
• Formula: Al H O6 Si2
• Calculated formula: Al H O6 Si2
• Title of publication: Single crystal X-ray refinement of pyrophyllite-1Tc
• Authors of publication: Lee, J. H.; Guggenheim, S.
• Journal of publication: American Mineralogist
• Year of publication: 1981
• Journal volume: 66
• Pages of publication: 350 - 357
• a: 5.16 Å
• b: 8.966 Å
• c: 9.347 Å
• α: 91.18°
• β: 100.46°
• γ: 89.64°
• Cell volume: 425.157 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