Information card for entry 9014603

Structure parameters

• Mineral name: Fergusonite-(Y)-beta
• Formula: As0.27 Ca0.05 Dy0.07 Er0.05 Gd0.02 Nb0.68 Nd0.01 O4 Si0.01 Ta0.01 Tb0.01 Th0.01 U0.02 W0.06 Y0.7 Yb0.01
• Calculated formula: As0.27 Ca0.05 Dy0.07 Er0.05 Gd0.02 Nb0.68 Nd0.01 O4 Si0.01 Ta0.01 Tb0.01 Th0.01 U0.02 W0.06 Y0.7 Yb0.01
• Title of publication: Arsenic-rich fergusonite-beta-(Y) from Mount Cervandone (Western Alps, Italy): Crystal structure and genetic implications
• Authors of publication: Guastoni, A.; Camara, F.; Nestola, F.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 487 - 494
• a: 5.1794 Å
• b: 11.089 Å
• c: 5.1176 Å
• α: 90°
• β: 91.282°
• γ: 90°
• Cell volume: 293.853 ų
• Number of distinct elements: 16
• Space group number: 15
• Hermann-Mauguin space group symbol: I 1 2/a 1
• Hall space group symbol: -I 2ya
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No