Information card for entry 9016781

Structure parameters

• Mineral name: Gonnardite
• Formula: Al2.315 Ca0.474 H4.74 Na1.462 O12.37 Si2.685
• Calculated formula: Al2.315 Ca0.474 H4.74 Na1.462 O12.37 Si2.685
• Title of publication: Variable-temperature structural studies of tetranatrolite from Mt. Saint-Hilaire: Synchrotron X-ray powder diffraction and Rietveld analysis Sample: T = 100 C
• Authors of publication: Lee, Y.; Hriljac, J. A.; Vogt, T.
• Journal of publication: American Mineralogist
• Year of publication: 2005
• Journal volume: 90
• Pages of publication: 247 - 251
• a: 13.0666 Å
• b: 13.0666 Å
• c: 6.6632 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1137.65 ų
• Ambient diffraction temperature: 373.15 K
• Number of distinct elements: 6
• Space group number: 122
• Hermann-Mauguin space group symbol: I -4 2 d
• Hall space group symbol: I -4 2bw
• Duplicate of: 9003630
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No