<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>9838348</termId><termName>quars </termName><termType>PT</termType><termCreatedDate>2026-03-30 20:32:54</termCreatedDate><relation><relationType>BT</relationType><termId>9829450</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>9848610</termId><termName>gemmes per tipus específic</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>9837874</termId><termName>silicates (traducció pendent)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848173</termId><termName>ametista </termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848174</termId><termName>calcedònia </termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9838472</termId><termName>chert</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848175</termId><termName>cristall de quars</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848176</termId><termName>quars aventurina</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848177</termId><termName>quars rosa</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848178</termId><termName>citrina</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9848179</termId><termName>cristobalite (traducció pendent)</termName><termType>PT</termType></relation></term>  </Zthes>