<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">iridescence</topic></authority><related type="narrower"><topic>opalescence</topic></related><related type="narrower"><topic>pearlescence</topic></related><related type="broader"><topic>optical properties</topic></related><variant type="other"><topic>iridescent</topic></variant> <note xml:lang="en"><![CDATA[ Optical property in which fine colors are produced on a surface by the interference of light that is reflected from both the front and back of a thin film. Things that appear iridescent show rainbow-like luminous colors, and often change color as their positions change. ]]></note></mads>