<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344663</termId><termName>jarosite</termName><termType>PT</termType><termNote><![CDATA[ An amber or brownish yellow-colored hydrous sulfate of iron and potassium found as rhombohedral crystals is sulfurous layers of iron ore.  ]]></termNote><termCreatedDate>2026-03-30 20:32:57</termCreatedDate><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31343249</termId><termName>silicates</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31437811</termId><termName>jarosite</termName><termType>PT</termType></relation></term>  </Zthes>