<?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">Brunswick green</topic></authority><related type="other"><topic>chrome green</topic></related><related type="other"><topic>Prussian green</topic></related><related type="broader"><topic>composite green pigment</topic></related><variant type="other"><topic>green, Brunswick</topic></variant> <note xml:lang="en"><![CDATA[ A green pigment originally composed of basic copper chloride (atacamite), developed in 1795 by the Brunswick brothers by placing copper filings in an ammonium chloride solution, then collecting the precipitate. By the 19th century, Brunswick green was prepared by mixing Prussian blue and chrome yellow, although this mixture is more commonly called "chrome green." ]]></note></mads>