<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">septarium</topic></authority><related type="broader"><topic>concretionary stone</topic></related><variant type="other"><topic>stone, beetle</topic></variant><variant type="other"><topic>stone, turtle</topic></variant><variant type="other"><topic>turtle stone</topic></variant><variant type="other"><topic>beetle stone</topic></variant><variant type="other"><topic>boulder, septarian</topic></variant><variant type="other"><topic>nodule, septarian</topic></variant><variant type="other"><topic>septaria</topic></variant><variant type="other"><topic>septarian boulder</topic></variant><variant type="other"><topic>septarian nodule</topic></variant> <note xml:lang="en"><![CDATA[ A large, generally spheroidal concretion, usually made of impure limestone or clay ironstone, having polyhedral blocks that are internally cemented together by crystalline minerals. ]]></note></mads>