Information card for entry 9000692

Structure parameters

• Mineral name: Semenovite-(Ce)
• Formula: Be3 Ca1.3 Ce F2 Fe0.25 H2 Mn0.25 Na3.4 O22 Si7
• Calculated formula: Be3 Ca1.3 Ce F2 Fe0.25 H2 Mn0.25 Na3.4 O22 Si7
• Title of publication: The crystal structure of semenovite
• Authors of publication: Mazzi, F.; Ungaretti, L.; Dal Negro, A.; Petersen, O. V.; Ronsbo, J. G.
• Journal of publication: American Mineralogist
• Year of publication: 1979
• Journal volume: 64
• Pages of publication: 202 - 210
• a: 13.879 Å
• b: 13.835 Å
• c: 9.942 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1909.02 ų
• Number of distinct elements: 10
• Space group number: 58
• Hermann-Mauguin space group symbol: P m n n
• Hall space group symbol: -P 2n 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No