Nb2O7Pb2, Transitional

• C201145-4
• C212496-3
• C401281-3
• C401282-8
• C401284-6
• S308239
• S551375
• S1013172
• S1013929
• S1013940
• S1705079
• S1827169
• S1920674
• P1210291-1