Iron is the 26th element in the periodic table. The ultraviolet colors only have a representation of the tones, and as they were also very strong lines, they are included here.
Sine 376 nm. There are no images for the infrared tones:
Sine for 372 nm.:
Here is a scale with all the tones:
Here is the scale of iron from the tone generator. It has a very limited range:
And here is a little improvisation with the tones: