<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344623</termId><termName>erythrite</termName><termType>PT</termType><termNote><![CDATA[ A secondary mineral produced by the surface oxidation of primary cobalt. Erythrite is a violet to peach red arsenate once used as a pigment in paints, glass, and ceramics; replaced for these purposes by its synthetic form, cobaltous arsenate.  ]]></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>31343302</termId><termName>cobaltous arsenate</termName><termType>PT</termType></relation></term>  </Zthes>