Information card for entry 9017710

Structure parameters

• Mineral name: Fogoite-(Y)
• Formula: Ca2.01 Ce0.03 Dy0.08 Er0.05 F2.88 Fe0.07 Gd0.08 La0.01 Lu0.01 Mn0.31 Na2.83 Nb0.23 Nd0.03 O15.12 Si4 Sm0.02 Ta0.01 Ti0.76 Y1.21 Yb0.04 Zr0.11
• Calculated formula: Ca2.01 Ce0.03 Dy0.08 Er0.05 F2.88 Fe0.07 Gd0.08 La0.01 Lu0.01 Mn0.31 Na2.83 Nb0.23 Nd0.03 O15.12 Si4 Sm0.02 Ta0.01 Ti0.76 Y1.21 Yb0.04 Zr0.11
• Title of publication: Fogoite-(Y), Na3Ca2Y2Ti(Si2O7)2OF3, a group I TS-block mineral from the Lagoa do Fogo, the Fogo volcano, Sao Miguel Island, the Azores: Description and crystal structure
• Authors of publication: Camara, F.; Sokolova, E.; Abdu, Y. A.; Hawthorne, F. C.; Charrier, T.; Dorcet, V.; Carpentier, J. F.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2017
• Journal volume: 81
• Pages of publication: 369 - 381
• a: 9.575 Å
• b: 5.685 Å
• c: 7.279 Å
• α: 89.985°
• β: 100.933°
• γ: 101.3°
• Cell volume: 381.211 ų
• Number of distinct elements: 21
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No