铜棒, Copper rod

镝箔, Dysprosium foil

铒箔, Erbium foil

钆锭, Gadolinium ingot/button

锗粉, Germanium powder

钬片, Holmium pieces

铟粉, Indium powder

铟锭, Indium ingot

铟线, Indium wire

Iodine