Information card for entry 9003492

Structure parameters

• Mineral name: Boggsite
• Formula: Al0.357 Ca0.16 O4 Si1.643
• Calculated formula: Al0.356667 Ca0.160167 O4 Si1.64333
• Title of publication: Dehydration and rehydration process in boggsite: an in-situ X-ray single-crystal study Note: Ca represents an unknown distribution across the Ca sites of [Ca.806,Mg.138,Na.041,K.007,Fe.006,Sr.001] Note: Reported occupancies are discrepant with reported formula. Sample: BOG-500, T = 500 C
• Authors of publication: Zanardi, S.; Cruciani, G.; Alberti, A.; Galli, E.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 1033 - 1042
• a: 20.041 Å
• b: 23.814 Å
• c: 12.869 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 6141.81 ų
• Ambient diffraction temperature: 773.15 K
• Number of distinct elements: 4
• Space group number: 74
• Hermann-Mauguin space group symbol: I m m a
• Hall space group symbol: -I 2b 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No