<?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">glauconite</topic></authority><related type="other"><topic>green earth</topic></related><related type="other"><topic>greenstone</topic></related><related type="broader"><topic>mineral</topic></related><related type="broader"><topic>inorganic green pigment</topic></related><variant type="other"><topic>green sand</topic></variant><variant type="other"><topic>greensand</topic></variant> <note xml:lang="en"><![CDATA[ A dull green mica mineral composed of hydrated potassium iron silicate, that -- unlike other micas -- usually occurs as pelletlike grains in marine environments and is sometimes called "green sand." It is formed from the alteration of iron-bearing silicates by ocean water and organisms, is found along the Atlantic coast of the North and South America and on the ocean floors, and is sometimes used as a green earth pigment for paints. ]]></note></mads>