Information card for entry 9004334

Structure parameters

• Mineral name: Gagarinite-(Y)
• Formula: Ca0.475 Ce0.005 Dy0.05 Er0.02 F2.7 Gd0.045 Ho0.015 Na0.3 Nd0.005 Sm0.015 Tb0.005 Y0.36 Yb0.005
• Calculated formula: Ca0.475 Ce0.005 Dy0.05 Er0.02 F2.7 Gd0.045 Ho0.015 Na0.3 Nd0.005 Sm0.015 Tb0.005 Y0.36 Yb0.005
• Title of publication: Refinement of the structure of gagarinite-(Y), Nax(CaxREE2-x)F6
• Authors of publication: Hughes, J. M.; Drexler, J. W.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1994
• Journal volume: 32
• Pages of publication: 563 - 565
• a: 5.987 Å
• b: 5.987 Å
• c: 3.5413 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 109.929 ų
• Number of distinct elements: 13
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No