<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457434</termId><termName>Belgian black marble</termName><termType>PT</termType><termNote><![CDATA[ A dense, hard marble from Belgium, considered the best black marble for carving due to its deep color and lack of veins and streaks.  ]]></termNote><termCreatedDate>2026-03-30 21:03:07</termCreatedDate><relation><relationType>UF</relationType><termId>31457435</termId><termName>Belgian black</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457436</termId><termName>Tournai marble</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457437</termId><termName>black marble, Belgian</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438593</termId><termName>black marble</termName><termType>PT</termType></relation></term>  </Zthes>