<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344617</termId><termName>anhydrite</termName><termType>PT</termType><termNote><![CDATA[ A colorless to white rock-forming mineral, named from the Greek “anhydrous” meaning without water. It is anhydrous calcium hydrate. An evaporate mineral, anhydrite hydrates readily to gypsum.  ]]></termNote><termCreatedDate>2026-03-30 20:32:56</termCreatedDate><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31344476</termId><termName>gypsum</termName><termType>PT</termType></relation></term>  </Zthes>