<?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">chalk</topic></authority><related type="narrower"><topic>precipitated chalk</topic></related><related type="narrower"><topic>whiting</topic></related><related type="narrower"><topic>black chalk</topic></related><related type="narrower"><topic>red chalk</topic></related><related type="narrower"><topic>tailor&apos;s chalk</topic></related><related type="other"><topic>chalk drawings</topic></related><related type="broader"><topic>inorganic material</topic></related><related type="broader"><topic>calcium carbonate white pigment</topic></related><variant type="other"><topic>chalk, natural</topic></variant><variant type="other"><topic>natural chalk</topic></variant> <note xml:lang="en"><![CDATA[ A fine-grained limestone, or soft, earthy form of calcium carbonate; used chiefly in putty, crayons, paint, rubber products, linoleum, and as a pigment and abrasive. ]]></note></mads>