Information card for entry 9004632

Structure parameters

• Mineral name: Polyakovite-(Ce)
• Formula: Ca0.24 Ce1.84 Cr1.28 Fe0.92 La1.24 Mg0.8 Nb0.32 Nd0.36 O22 Pr0.16 Si4 Th0.12 Ti1.52 Y0.04
• Calculated formula: Ca0.24 Ce1.84 Cr1.28 Fe0.92 La1.24 Mg0.8 Nb0.32 Nd0.36 O22 Pr0.16 Si4 Th0.12 Ti1.52 Y0.04
• Title of publication: Polyakovite-(Ce), (REE,Ca)4(Mg,Fe)(Cr,Fe)2(Ti,Nb)2Si4O22, a new metamict mineral species from the Ilmen Mountains, Southern Urals, Russia: Mineral discription and crystal chemistry
• Authors of publication: Popov, V. A.; Pautov, L. A.; Sokolova, E. V.; Hawthorne, F. C.; McCammon, C. A.; Bazhenova, L. F.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2001
• Journal volume: 39
• Pages of publication: 1095 - 1104
• a: 13.398 Å
• b: 5.6974 Å
• c: 11.042 Å
• α: 90°
• β: 100.539°
• γ: 90°
• Cell volume: 828.659 ų
• Number of distinct elements: 14
• 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