Sometimes there's no substitute for a particular material, a certain metal, a specific chemical element.
For example, a tintinnabulation simply requires tin! You can't very well have an antimonyantimation!

Biochemist, mass spectrometry witch, caretaker for the nanoflow liquid chromatographs. Trans woman, lesbian. Recumbent cyclist. Wisconsin, USA
Sometimes there's no substitute for a particular material, a certain metal, a specific chemical element.
For example, a tintinnabulation simply requires tin! You can't very well have an antimonyantimation!