<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31482374</termId><termName>zoisite</termName><termType>PT</termType><termNote><![CDATA[ A natural silicate of calcium and aluminum silicate, Ca2Al3(SiO4)3OH, characteristic of regional metamorphism and of hydrothermal alteration of igneous rocks. A member of the epidote group of nesosilicates, it is a lustrous transparent to translucent stone with color ranging grayish-white, peach, pink (thulite), blue (tanzanite) or green. Named for Baron Zois van Edelstein (1747-1819). ]]></termNote><termCreatedDate>2026-03-30 20:32:59</termCreatedDate><relation><relationType>UF</relationType><termId>31482375</termId><termName>Zoisite</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31482060</termId><termName>tanzanite</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31482425</termId><termName>thulite</termName><termType>PT</termType></relation></term>  </Zthes>