<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344629</termId><termName>manganite</termName><termType>PT</termType><termNote><![CDATA[ Manganite is an oxide ore mineral of manganese that forms dark steel gray to iron black crystal bundles or fibrous masses. A pigment derived from manganite was used in prehistoric cave paintings. ]]></termNote><termCreatedDate>2026-03-30 20:32:57</termCreatedDate><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation></term>  </Zthes>