Information card for entry 9000916

Structure parameters

• Mineral name: Cappelenite-(Y)
• Formula: B6 Ba F2 O24 Si3 Y6
• Calculated formula: B6 Ba F2 O24 Si3 Y6
• Title of publication: Crystal structure of cappelenite, Ba(Y,RE)6[Si3B6O24]F2: a silicoborate sheet structure
• Authors of publication: Shen, J.; Moore, P. B.
• Journal of publication: American Mineralogist
• Year of publication: 1984
• Journal volume: 69
• Pages of publication: 190 - 195
• a: 10.67 Å
• b: 10.67 Å
• c: 4.68 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 461.429 ų
• Number of distinct elements: 6
• Space group number: 143
• Hermann-Mauguin space group symbol: P 3
• Hall space group symbol: P 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No