Information card for entry 9011104

Structure parameters

• Mineral name: Keiviite-(Yb)
• Formula: O7 Si2 Yb2
• Calculated formula: O7 Si2 Yb2
• Title of publication: The crystal structures of the rare earth pyrosilicates
• Authors of publication: Smolin, Y. I.; Shepelev, Y. F.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1970
• Journal volume: 26
• Pages of publication: 484 - 492
• a: 6.802 Å
• b: 8.875 Å
• c: 4.703 Å
• α: 90°
• β: 102.12°
• γ: 90°
• Cell volume: 277.581 ų
• Number of distinct elements: 3
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No