<p>quartz SiO2, lepidolite K(Li,Al,Rb)3(Al,Si)4O10(F,OH)2
locality: Rožná, Czech Republic
photo (c) 2013 Jan Helebrant
</p>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/96541566@N06">Jan Helebrant</a>
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