<?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">portor marble</topic></authority><related type="broader"><topic>variegated marble</topic></related><variant type="other"><topic>black and gold marble</topic></variant><variant type="other"><topic>black-and-gold marble</topic></variant><variant type="other"><topic>marble, black-and-gold</topic></variant><variant type="other"><topic>marble, portor</topic></variant><variant type="other"><topic>porto marble</topic></variant> <note xml:lang="en"><![CDATA[ A marble from Portovenere and the island of Palmaria in Liguria, Italy. The best grades are dark black with evenly distributed dull golden veins while the inferior grades are brownish gray with irregular veins and spots of dull yellow. ]]></note></mads>