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	<id>https://enciklopedija.cc/index.php?action=history&amp;feed=atom&amp;title=Dvolomac</id>
	<title>Dvolomac - Povijest promjena</title>
	<link rel="self" type="application/atom+xml" href="https://enciklopedija.cc/index.php?action=history&amp;feed=atom&amp;title=Dvolomac"/>
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	<updated>2026-08-06T22:03:35Z</updated>
	<subtitle>Povijest promjena ove stranice na wikiju</subtitle>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Dvolomac&amp;diff=198474&amp;oldid=prev</id>
		<title>WikiSysop: Bot: Automatski unos stranica</title>
		<link rel="alternate" type="text/html" href="https://enciklopedija.cc/index.php?title=Dvolomac&amp;diff=198474&amp;oldid=prev"/>
		<updated>2021-10-06T06:01:09Z</updated>

		<summary type="html">&lt;p&gt;Bot: Automatski unos stranica&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nova stranica&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!--&amp;#039;&amp;#039;&amp;#039;Dvolomac&amp;#039;&amp;#039;&amp;#039;--&amp;gt;[[Datoteka:Silfurberg.jpg|thumb|Islandski dvolomac]]&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Dvolomac&amp;#039;&amp;#039;&amp;#039; (ili tzv. &amp;#039;&amp;#039;&amp;#039;islandski dvolomac&amp;#039;&amp;#039;&amp;#039;) je prozirni oblik minerala [[kalcit]]a (CaCO&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;) nazvan tako jer se predmeti i slike promatrani kroza nj vide dvostruko. Upotrebljava se za izradbu [[Nicolova prizma|Nicolovih prizama]], s pomoću kojih se u polarizacijskim aparatima dobiva linearno polarizirana svjetlost. Glavna nalazišta dvolomca nalaze se na [[Island]]u.&lt;br /&gt;
&lt;br /&gt;
{{mrva-geol}}&lt;br /&gt;
&lt;br /&gt;
==Izvori==&lt;br /&gt;
&lt;br /&gt;
* [[Hrvatska enciklopedija (LZMK)]], Broj 3 (Da-Fo), str. 196.. Za izdavača: Leksikografski zavod Miroslav Krleža, Zagreb 2001.g. {{ISBN|953-6036-33-9}}&lt;br /&gt;
&lt;br /&gt;
[[Kategorija:Stijene]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
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