<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344457</termId><termName>beryl</termName><termType>PT</termType><termNote><![CDATA[ A hexagonal mineral, which includes several varieties of gemstone such as emerald and aquamarine. ]]></termNote><termCreatedDate>2026-03-30 20:32:54</termCreatedDate><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31376754</termId><termName>gemstones by specific type</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31343249</termId><termName>silicates</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31375312</termId><termName>aquamarine</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31375314</termId><termName>emerald</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31375316</termId><termName>golden beryl</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31375318</termId><termName>morganite</termName><termType>PT</termType></relation></term>  </Zthes>