Fergusonite, Nb-O-Y-Yb

• S1503761
• P20085843-1
• P20085843-2
• P20085843-3
• P20085843-4
• P20085843-5
• P20085843-6
• P20085843-7
• P20085843-8
• P20085843-9
• P20085843-10