钬棒, Holmium rod

铟粒, Indium shot

铟锭/按钮, Indium ingot/button

铟箔, Indium foil

铟线, Indium wire

铟棒, Indium rod

海绵状铱, Iridium sponge

铱箔, Iridium foil

铁粉, Iron powder

铁片,无规则形状, Iron pieces