Information card for entry 9004242

Structure parameters

• Mineral name: Tugtupite
• Formula: Al Be Cl Na4 O12 Si4
• Calculated formula: Al Be Cl Na4 O12 Si4
• Title of publication: The crystal structure and thermal expansion of tugtupite, Na8[Al2Be2Si8O24]Cl2
• Authors of publication: Hassan, I.; Grundy, H. D.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1991
• Journal volume: 29
• Pages of publication: 385 - 390
• a: 8.64 Å
• b: 8.64 Å
• c: 8.873 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 662.366 ų
• Number of distinct elements: 6
• Space group number: 82
• Hermann-Mauguin space group symbol: I -4
• Hall space group symbol: I -4
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No