Information card for entry 9016703

Structure parameters

• Mineral name: Svyatoslavite
• Formula: Al Ca0.484 O4 Si
• Calculated formula: Al4 Ca1.934 O16 Si4
• Title of publication: The crystal structure of monoclinic CaAl2Si2O8: a case of monoclinic structure closely simulating orthorhombic symmetry
• Authors of publication: Takeuchi, Y.; Haga, N.; Ito, J.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1973
• Journal volume: 137
• Pages of publication: 380 - 398
• a: 8.228 Å
• b: 8.621 Å
• c: 4.827 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 342.396 ų
• Number of distinct elements: 4
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No