Information card for entry 9002508

Structure parameters

• Mineral name: Gonnardite
• Formula: Al2.15 Ca0.3 H8 Na1.7 O12.72 Si2.85
• Calculated formula: Al2.15 Ca0.3 H5.44 Na1.7 O12.72 Si2.85
• Title of publication: The crystal structure of tetranatrolite from Mont Saint-Hilaire, Quebec, and its chemical and structural relationship to paranatrolite and gonnardite
• Authors of publication: Evans, H. T.; Konnert, J. A.; Ross, M.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 1808 - 1815
• a: 13.197 Å
• b: 13.197 Å
• c: 6.63 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1154.69 ų
• 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
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No