<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31438585</termId><termName>onyx marble</termName><termType>PT</termType><termNote><![CDATA[ A compact variety of calcite that has dark layers of impurities and polishes to a high gloss, resembling onyx in appearance. It is typically used as a decorative or architectural material or for small ornamental objects. ]]></termNote><termCreatedDate>2026-03-30 20:58:13</termCreatedDate><relation><relationType>UF</relationType><termId>31438586</termId><termName>Mexican onyx</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438587</termId><termName>alabaster</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438588</termId><termName>cave onyx</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438589</termId><termName>limestone onyx</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438590</termId><termName>marble, onyx</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438591</termId><termName>onyx</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31438592</termId><termName>onyx marbles</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31412310</termId><termName>marble by color or pattern</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457428</termId><termName>Tabriz marble</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31480868</termId><termName>travertine</termName><termType>PT</termType></relation></term>  </Zthes>