<?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">[gemstones by specific type]</topic></authority><related type="narrower"><topic>apatite</topic></related><related type="narrower"><topic>beryl</topic></related><related type="narrower"><topic>aquamarine</topic></related><related type="narrower"><topic>emerald</topic></related><related type="narrower"><topic>morganite</topic></related><related type="narrower"><topic>corundum</topic></related><related type="narrower"><topic>ruby</topic></related><related type="narrower"><topic>sapphire</topic></related><related type="narrower"><topic>diamond</topic></related><related type="narrower"><topic>epidote</topic></related><related type="narrower"><topic>feldspar</topic></related><related type="narrower"><topic>moonstone</topic></related><related type="narrower"><topic>orthoclase</topic></related><related type="narrower"><topic>garnet</topic></related><related type="narrower"><topic>hematite</topic></related><related type="narrower"><topic>marcasite</topic></related><related type="narrower"><topic>pyrite</topic></related><related type="narrower"><topic>jade</topic></related><related type="narrower"><topic>nephrite</topic></related><related type="narrower"><topic>jadeite</topic></related><related type="narrower"><topic>lapis lazuli</topic></related><related type="narrower"><topic>malachite</topic></related><related type="narrower"><topic>opal</topic></related><related type="narrower"><topic>quartz</topic></related><related type="narrower"><topic>amethyst</topic></related><related type="narrower"><topic>chalcedony</topic></related><related type="narrower"><topic>agate</topic></related><related type="narrower"><topic>onyx</topic></related><related type="narrower"><topic>sardonyx</topic></related><related type="narrower"><topic>bloodstone</topic></related><related type="narrower"><topic>chrysoprase</topic></related><related type="narrower"><topic>jasper</topic></related><related type="narrower"><topic>aventurine</topic></related><related type="narrower"><topic>rose quartz</topic></related><related type="narrower"><topic>topaz</topic></related><related type="narrower"><topic>tourmaline</topic></related><related type="narrower"><topic>turquoise</topic></related><related type="narrower"><topic>zircon</topic></related><related type="narrower"><topic>hyacinth</topic></related><related type="narrower"><topic>serpentine</topic></related><related type="narrower"><topic>jet</topic></related><related type="narrower"><topic>meerschaum</topic></related><related type="narrower"><topic>carnelian</topic></related><related type="narrower"><topic>olivine</topic></related><related type="narrower"><topic>lazurite</topic></related><related type="narrower"><topic>sard</topic></related><related type="narrower"><topic>azurite</topic></related><related type="narrower"><topic>peridot</topic></related><related type="narrower"><topic>prasine</topic></related><related type="narrower"><topic>red coral</topic></related><related type="narrower"><topic>cubic zirconia</topic></related><related type="broader"><topic>gemstone</topic></related></mads>