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	<id>https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Rare_Earth_Elements</id>
	<title>Rare Earth Elements - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://lunarpedia.org/index.php?action=history&amp;feed=atom&amp;title=Rare_Earth_Elements"/>
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	<updated>2026-05-16T09:39:56Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.34.2</generator>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Rare_Earth_Elements&amp;diff=5153&amp;oldid=prev</id>
		<title>Strangelv: added categorization</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Rare_Earth_Elements&amp;diff=5153&amp;oldid=prev"/>
		<updated>2007-03-02T21:05:18Z</updated>

		<summary type="html">&lt;p&gt;added categorization&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 21:05, 2 March 2007&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l26&quot; &gt;Line 26:&lt;/td&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This term has now been depreciated by the International Union of Pure and Applied Chemistry.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This term has now been depreciated by the International Union of Pure and Applied Chemistry.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Related Articles==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Related Articles==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l31&quot; &gt;Line 31:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 32:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Lanthanides]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Lanthanides]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Actinides]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*[[Actinides]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Chemistry]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Strangelv</name></author>
		
	</entry>
	<entry>
		<id>https://lunarpedia.org/index.php?title=Rare_Earth_Elements&amp;diff=4797&amp;oldid=prev</id>
		<title>Jarogers2001: Brief summary</title>
		<link rel="alternate" type="text/html" href="https://lunarpedia.org/index.php?title=Rare_Earth_Elements&amp;diff=4797&amp;oldid=prev"/>
		<updated>2007-02-16T23:03:48Z</updated>

		<summary type="html">&lt;p&gt;Brief summary&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Rare Earth Element is a term often used to denote the following metals:&lt;br /&gt;
&lt;br /&gt;
Transition metals&lt;br /&gt;
*[[Scandium]]&lt;br /&gt;
*[[Yttrium]]&lt;br /&gt;
&lt;br /&gt;
Lanthanides&lt;br /&gt;
*[[Lanthanum]]&lt;br /&gt;
*[[Cerium]]&lt;br /&gt;
*[[Praseodymium]]&lt;br /&gt;
*[[Neodymium]]&lt;br /&gt;
*[[Samarium]]&lt;br /&gt;
*[[Europium]]&lt;br /&gt;
*[[Gadolinium]]&lt;br /&gt;
*[[Terbium]]&lt;br /&gt;
*[[Dysprosium]]&lt;br /&gt;
*[[Holmium]]&lt;br /&gt;
*[[Erbium]]&lt;br /&gt;
*[[Thulium]]&lt;br /&gt;
*[[Ytterbium]]&lt;br /&gt;
*[[Lutetium]]&lt;br /&gt;
&lt;br /&gt;
The Actinides are included in some defenitions.&lt;br /&gt;
&lt;br /&gt;
&amp;quot;Earth&amp;quot; is an obsolete term for &amp;quot;oxide&amp;quot;, and is translated from the french word &amp;quot;terre&amp;quot; which was the international language at the time these metals were discovered.  They are, in fact, not rare elements (excluding synthetics) and are quite abundant in earth's crust.&lt;br /&gt;
&lt;br /&gt;
This term has now been depreciated by the International Union of Pure and Applied Chemistry.&lt;br /&gt;
&lt;br /&gt;
==Related Articles==&lt;br /&gt;
*[[KREEP]]&lt;br /&gt;
*[[Lanthanides]]&lt;br /&gt;
*[[Actinides]]&lt;/div&gt;</summary>
		<author><name>Jarogers2001</name></author>
		
	</entry>
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