<?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">lead sulfide</topic></authority><related type="broader"><topic>sulfide</topic></related><variant type="other"><topic>PbS</topic></variant><variant type="other"><topic>lead sulphide</topic></variant><variant type="other"><topic>plumbous sulfide</topic></variant><variant type="other"><topic>sulfide, lead</topic></variant> <note xml:lang="en"><![CDATA[ Insoluble black compound that occurs naturally as galena, the chief ore mineral of lead. It can also be synthesized by reacting a soluble lead salt with hydrogen sulfide or sodium sulfide. When crushed, lead sulfide becomes a powder which is used in photoconductive cells, and as a pigment in ceramic glaze. ]]></note></mads>