iridophore
http://purl.obolibrary.org/obo/CL_0000431
A pigment cell derived from the neural crest. The cell contains flat light-reflecting platelets, probably of guanine, in stacks called reflecting platelets or iridisomes. The color-generating components produce a silver, gold, or iridescent color. [ SANBI:mhl ]
Term info
has related synonym
guanophore