Specimen of <a href="https://en.wikipedia.org/wiki/Latite" class="extiw" title="en:Latite">latitic</a> volcanic rock of the Möhrenbach Formation of the lowermost Rotliegend (Upper Pennsylvanian) of the Thuringian Forest. The specimen shows reddish brown phenocrysts of potassium feldspar within the whitish matrix of plagioclase. The greenish areas presumably consist of andesine. Near Möhrenbach, southeastern part of Thuringian Forest, central Germany.
<a href="//commons.wikimedia.org/wiki/User:Gretarsson" title="User:Gretarsson">Gretarsson</a>
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<span class="int-own-work" lang="en">Own work</span>