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Fergusonite-(Y)
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| Fergusonite-(Y).11728 Formula: (Y.85 Yb.15) Nb O4 Name: Fergusonite-(Y) Unit cell: 5.05 10.89 5.27 90.0 94.5 90.0 , V=288.93 Space group: I2 (5) |
Komkov A I , Soviet Physics Crystallography , 4 (1959) p.796-800, The structure of natural fergusonite, and of a polymorphic modification, Locality: Ural Mountains, Russia, Sample: annealed at T = 1000 C for t = 15 min
