<?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">gemstone</topic></authority><related type="narrower"><topic>semiprecious stone</topic></related><related type="narrower"><topic>precious stone</topic></related><related type="narrower"><topic>[gemstones by specific type]</topic></related><related type="other"><topic>gems</topic></related><related type="other"><topic>gemstone cuts</topic></related><related type="other"><topic>imitation gemstone</topic></related><related type="broader"><topic>stone by quality</topic></related><variant type="other"><topic>gem stone</topic></variant><variant type="other"><topic>gem stones</topic></variant><variant type="other"><topic>gemstones</topic></variant><variant type="other"><topic>stone, gem</topic></variant> <note xml:lang="en"><![CDATA[ Precious or semiprecious stone that can be cut, polished, or otherwise dressed for use as gems; distinguished from "gems," which are made of gemstone that has been worked or other material such as pearl. ]]></note></mads>