<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31412210</termId><termName>bloodstone</termName><termType>PT</termType><termNote><![CDATA[ Semiprecious stone composed of dark green chalcedony with flecks of red jasper that were thought to resemble drops of blood. Bloodstones, when submerged in water, give a reddish reflection. They were occasionally used in ancient times as cylinder seals, during the Middle Ages for sculptures representing the flagellation of Christ, and currently as gemstones in jewelry. ]]></termNote><termCreatedDate>2026-03-30 20:50:50</termCreatedDate><relation><relationType>UF</relationType><termId>31412211</termId><termName>blood-stone</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31412212</termId><termName>heliotrope</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31375352</termId><termName>chalcedony</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31376754</termId><termName>gemstones by specific type</termName><termType>PT</termType></relation></term>  </Zthes>